My dogs approve!
“I have a miniature Doxie, a lab mix and a Maltese mix and they go crazy over these bones!”
100% bison. Never beef or chicken.Loved by 100,000+ dogsYour price drops every box20% off your first box, 15% off every box afterSubscriptions ship free at $50+
One ingredient.
Serious chew time.
Real dogs.
Real bison.
100K+dogs love it
Marrow bone sizes, shown to scale
2"Small dogs25 lb and under
4–5"Medium dogs25–60 lb
6–8"Large dogs60 lb and up
Two dogs? Add a second marrow size when you build your box.
Four cuts.
One protein.
Which chew
for your dog?
Marrow lovers→Marrow boneStrong chewers, aging joints→TracheaMental enrichment, soft enough for sensitive teeth→ScapulaLight chewers, small dogs, sensitive teeth→TendonMix them in one box. Most dogs love the variety.
A real job
to chew on.
Mental stimulationNatural chew driveHelps save your shoes
Sized for
every dog.
2"for small
dogs
dogs
Long-lasting.
Built-in benefits.
The easy
go-to chew.
★★★★★Loved by 100,000+ dogs
The Bison Chew Box
Most chews are beef or chicken, two of the most common food triggers for dogs. Ours are 100% grass-fed bison, a protein most dogs have never eaten, made to give them something real to chew.
- 100% grass-fed, pasture-raised bison, responsibly sourced. Nothing added.
- A novel protein for dogs who react to beef or chicken
- Chews in every size, from Doxie to Great Dane
Your dog's size Most family dogs are Medium
Free bag of treats each month
FreeDeliver every Skip or change anytime
Power chewers or 2+ dogs: every 4 weeks. Lighter chewers: every 6 or 8. We email you before every box ships.
Today
Shipping
Subscriptions ship free at $50+
Cancel online anytime
100%Bison
0Beef or chicken
COMade in Colorado
3Sizes for every dog
What's in it
One ingredient: responsibly sourced, grass-fed, pasture-raised bison. No beef, chicken, wheat, salt, sugar, smoke, rubs, glycerin or preservatives. Check our ingredients. We dare you.
Which size is right?
Small (25 lb and under): 2" marrow bones, Original scapula and trachea. Medium (25–60 lb): 4–5" marrow bones, Original scapula and trachea. Large (60 lb and up): 6–8" marrow bones, Super Mega scapula and trachea.
When in doubt, size up. Multiple dogs? Change the size on any cut under "Your bison cuts."
How to serve
Supervise chew time and end sessions after about 30 minutes. Marrow bones are firm, so extreme chewers should start with the trachea, which is long-lasting and gentler on teeth. Refrigerate a bone with exposed marrow and use it within a few days.
Shipping & subscriptions
Ships from Colorado in 1–2 business days. Subscription boxes ship free at $50+ and one-time orders at $75+. Under that, shipping is $6.00.
We email you before every box ships. Skip, swap cuts, change how often it ships, or cancel online anytime. All sales are final.
Loved by 100,000+ dogs
Real dogs, real bison
“The most satisfying dog chews I have found so far.”
OBSESSED
“I ordered 2 of these packs, 1 per dog, and we had MORE than enough of great quality chews to last us 2+ weeks!”
Tucker LOVES these
“They last for days and they keep him occupied. He is a very aggressive chewer.”
Bison Scapula
“He takes it with him everywhere! I'll take that as he loves it!”
OMG!!
“My bully is also allergic to beef so options were limited for her. But we just got our first bison marrow bones today and they’ve kept my dogs busy for 1 hour intervals twice today!! That is unheard of in our house.”
Flip the bag over
What's really in a typical chew
Most chews are built for shelf life and price, and it shows on the label. Here's what three of the most common ones actually are.
Wheat Flour, Glycerin, Wheat Gluten, Gelatin, Water, Powdered Cellulose, Lecithin, Natural Poultry Flavor, Dicalcium Phosphate, Calcium Carbonate, Potassium Chloride, Choline Chloride, Magnesium Amino Acid Chelate, Fruit Juice Color, Minerals (6 more), Vitamins (11 more), Turmeric Color.
The first ingredient is wheat flour. It's flavored with poultry, colored green, and gone in a few bites.
- The inner layer of a cow hide, split off at the tannery
- Soaked in lime or sodium sulfide to strip the hair
- Washed in hydrogen peroxide or bleach to whiten it
- Often dyed and flavored, then rolled or pressed into a bone
In 2017 a major brand recalled rawhide chews made with a disinfectant that isn't approved for dog chews in the U.S.
Nylona type of plastic
0nutrition for your dog
Shaped like a bone and flavored to smell like bacon, chicken or peanut butter so dogs will chew it. It isn't food: swallowed pieces aren't digested, and the makers tell you to throw it out once it wears down.
Ingredients: Bison.
Responsibly sourced, grass-fed and pasture-raised bison, slow-roasted or freeze-dried in Colorado. Nothing else goes in: no wheat, glycerin, flavoring, color or bleach.
Sources: retailer ingredient listing for a best-selling dental chew (Oct 2026); care instructions from nylon chew bone makers (Oct 2026); United Pet Group voluntary rawhide recall posted by FDA (June 2017); rawhide processing as described in industry patents and manufacturer explainers.
Why bison
Why bison beats beef and chicken
Most chews on the shelf are beef (rawhide, bully sticks) or chicken (jerky, most dental chews). Bison is different in the ways that matter for a sensitive dog.
34%of food-allergic dogs reacted to beef, the #1 trigger
15%reacted to chicken, the #3 trigger
Not listedBison isn't on the list of reported triggers, because most dogs have never eaten it.
Source: Mueller, Olivry & Prélaud, “Critically appraised topic on adverse food reactions of companion animals (2): common food allergen sources in dogs and cats,” BMC Veterinary Research, 2016. Review of 297 dogs.
A protein their body hasn't met
Food reactions build up to proteins a dog eats again and again, and most dogs eat beef and chicken every day. Bison is new to them, and every chew is one ingredient, so there's nothing else on the label to react to.
Naturally leaner than beef
Bison carries less fat than most beef, so tendon, trachea and scapula make a lighter everyday chew. Save the rich marrow bones for the long sessions.
Raised the way bison thrive
Bison don't do well cooped up or fed like cattle. They do best grass-fed and pasture-raised, so that's how ours are raised. We source responsibly, and every chew is slow-roasted or freeze-dried in Colorado.
A real job to chew on
Every cut chews differently, from a quick tendon to a long-lasting trachea or marrow bone. Steady gnawing keeps your dog's brain busy and scrapes along the teeth, which supports cleaner teeth and fresher breath.
Side by side
Bison vs. the usual chews
Check the treat drawer right now. Odds are it's beef or chicken.
| Winnie Lou Bison | Beef chews | Chicken chews | Dental sticks | |
|---|---|---|---|---|
| A protein most dogs have never eaten | ✓ | ✗ | ✗ | ✗ |
| Not a top food trigger for dogs | ✓ | #1 trigger | #3 trigger | Often wheat + poultry |
| One ingredient on the label | ✓ | Varies | Varies | Up to 30+ |
| Grass-fed and pasture-raised | ✓ | Rarely | Rarely | n/a |
| Gives them a real job to chew on | ✓ | ✓ | Minutes | ✗ |
Beef chews: rawhide, bully sticks, beef bones. Chicken chews: jerky and chicken-based chews. Trigger ranking from Mueller et al., BMC Veterinary Research, 2016.
Four cuts, one protein
Every chew is bison
Different chew times, from a quick tendon to a long-lasting trachea or marrow bone, without ever switching proteins.
A natural Kong
Bison Marrow Bone
- How it works
- Dogs scrape the meat off and lick out the marrow. They don't eat the bone. Lasts longest.
- Best for
- Moderate chewers and marrow lovers
Gentle on teeth
Bison Scapula
- Texture
- Bone-out and freeze-dried
- Best for
- Mental enrichment, and soft enough for sensitive teeth
Long-lasting
Bison Trachea
- Texture
- Hollow and long-lasting, second only to the marrow bone
- Best for
- Strong chewers and aging joints. Naturally rich in glucosamine and chondroitin
Easy go-to
Bison Tendon
- Texture
- Freeze-dried. Gets soft as they chew, so it's easy on teeth. 3 chews per bag, about 5–20 minutes each, and often longer for small dogs
- Best for
- Light chewers, small dogs, and dogs with small or sensitive teeth. Like a natural joint supplement: rich in glucosamine and chondroitin
What to expect
Your first month
Day 1
First chew session
You'll know within a few minutes if it's a hit. If it isn't, swap in a different cut before your next box.
Week 1
Chew time becomes a routine
Use it for the restless hour, work calls, or while you cook dinner.
Weeks 2–4
Next box shows up on time
It ships before the last chew is gone. Swap chews or sizes whenever you want.
Box 3+
15% off, locked in
Your best price stays as long as you subscribe, and you'll never need a code.
You'rein
charge
charge
Never stuck with more chews than you need
We email you 3 days before every box ships. Skip it, push it back, swap cuts, change how often it comes, or cancel online in a few clicks. No calls, no fees.
Questions we get a lot
Do I have to subscribe?
No. You can buy a one-time box at full price. Subscribing gets you 5% off today, 10% off your second box and 15% off every box after that.Subscribing saves you 20% on your first box and 15% on every box after that. Subscription boxes ship free at $50+. Skip or cancel online anytime.
Will I know before each box ships?
Yes. We email you 3 days before every box ships, so you can skip it, swap chews or change the date first.
What's the free bag of treats?
Subscribe to a box with 8 chews and we add a free bag of our treats ($8.99 or more in value) to every box. By default it's a surprise, a different bag each month, like Celebration Cookies, Sweet Potato & Venison Crisps or Turmeric Bison Jerky. Rather have one favorite? Pick it when you build your box, or swap it anytime from your account. None of our treats contain beef or chicken. Unlike the chews they have more than one ingredient, so if your dog is on a strict elimination diet, check the label first.
Why bison instead of beef or chicken?
Beef and chicken are in almost every chew and treat, and they're two of the most common food triggers for dogs: beef was #1 and chicken #3 in a 2016 review of 297 food-allergic dogs. Bison is a novel protein, so most dogs have never eaten it. It's also naturally leaner than beef, and ours is grass-fed and pasture-raised.
Why does bison cost more than a beef chew?
There are far fewer bison than cattle. Bison don't do well cooped up or fed like cattle. They do best grass-fed and pasture-raised, so that's how ours are raised. That's also why so few chew brands use it. Subscribing brings your price down to 15% off from your third box.Subscribing takes 20% off your first box and 15% off every box after.
How long does one chew last?
It depends on your dog and the chew. Dogs don't eat a marrow bone. They scrape the meat off the outside and lick the marrow out of the center, usually over a few sessions. The trachea lasts the next longest. A tendon is about 5–20 minutes each (3 per bag), and small dogs often make one last much longer. One customer with two dogs said a pack per dog lasted them more than two weeks. Choose every 4 weeks for power chewers or multi-dog homes, every 6 or 8 for lighter chewers.
Are they safe? Will they splinter?
Our marrow bones are slow-roasted at a low temperature with moisture to help prevent splintering, but they're firm and best for moderate chewers. If your dog cracks everything, start with scapula, trachea and tendon. Always supervise, and take the chew away once it's small enough to swallow.
My dog reacts to beef or chicken. Is bison safe?
Bison is a common choice for dogs who react to beef or chicken, and every chew is one ingredient, so there's nothing else in it. If your dog has a diagnosed food allergy, check with your vet before adding a new protein.
Will the marrow upset a sensitive stomach?
Marrow is rich. Start with short sessions for the first few days. Tendon and trachea are leaner options to begin with.
Do they smell?
A little, like roasted meat. Most of it comes from the marrow, so a marrow bone smells strongest once your dog reaches the middle. Keep opened chews in a sealed bag or container.
How fast does it ship?
Orders ship from Colorado within 1–2 business days and usually arrive about 3 days later. Subscription boxes are scheduled, so they leave before you run out. Subscription boxes ship free at $50+ and one-time orders at $75+. Under that, shipping is $6.00.
Can I change what's in my box?
Yes. Swap chews, change sizes, change your box size, or change how often it ships, anytime before your next box goes out.
100% bison. One ingredient. Real chew time.
Tonight could be a quiet night
Pick a size and a box. Skip or cancel online anytime.
Choose my bison box ↑