19 Best Pet Supplies to Buy at Costco

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Even if you make trips to Costco every weekend, it’s worth a reminder: You can find all kinds of stuff at this retail giant. Shoppers can stock up on frozen foods, replenish their beauty cabinets, and add to their liquor collections. For pet owners, Costco is packed with highly rated dog food, pet beds, cat towers, and other pet-friendly gear. From dental chews to life vests, we found some of Costco’s best pet supplies to pick up on your next visit. Are we missing any great Costco buys for pets? Let us know in the comments.

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Costco dental chews — Costco

1. Kirkland Signature Dental Chews

$37

Dental health is critical to a pet’s overall health, which is why so many Costco shoppers are fans of these dental chews from Kirkland. The treats feature ridges and grooves to help prevent buildup from all angles, and they’re free from any artificial colors, flavors, and preservatives. Shoppers note that the product prevents their dogs’ breath from getting too stinky — a definite plus.

Related: The Best Costco Dog Food

Kirkland Signature Hexagon Cuddler Dog Bed — Costco

2. Kirkland Signature Hexagon Cuddler Dog Bed

$40

With a light brown exterior and comfy interior, this Kirkland pet bed is as attractive as it is cozy. Inside it features a memory foam base for pressure point relief and comfort. The cover is machine washable. At 25 inches across, the bed is suitable for small dogs and cats.

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Frontline — Costco

3. Frontline Plus Flea and Tick Dog Treatment

$80

This flea and tick treatment for dogs shoppers has 4.7 stars from nearly 300 reviews. The treatment kills fleas, flea eggs and larvae, chewing lice, and ticks, and its waterproof properties means it’s working even as your pooch paddles around in a lake. Each package comes with eight doses, with one dose to be administered each month.

liver bites — Costco

4. Chewmasters Freeze Dried Beef Liver Bites

$37

There’s only one ingredient in these heart-healthy treats: liver. Dogs of all ages and sizes can enjoy this low-fat snack, which comes in two 17.6-ounce bags. “The quantity of liver treats is a great value as well as the shelf life and will be a permanent part of our puppy’s diet,” one Costco shopper wrote.

Throw blanket Costco — Costco

5. Travel Pet Throw With Collapsible Bowl

$17

This easy-to-clean pet throw is plush on one side and water resistant on the other for use during those picnics in the park. The set includes a collapsible water bowl to make sure your furry friend is hydrated. Choose from a blue or green set.

Shish kabob — Costco

6. Cadet X-Large Shish Kabob Dog Treats

$43

Dog owners are huge fans of these “very digestible” flavored treats, which have almost 5 stars from more than 800 reviews. The treats feature chicken, liver, and sweet potato wrapped in beef hide, and are recommended for dogs over 30 pounds.

Nylabone Tough Dog Chew Variety Pack, 3-count — Costco

7. Nylabone Variety Power Chew Toys

$20

This variety pack contains three chew toys: a chicken-flavored dog bone, a bacon-flavored stick, and a bully-stick-flavored braid. Shoppers like the toys for their durability and for the variety of shapes and ridges that helps keep teeth clean.

cat food — Costco

8. Kirkland Signature Nature's Domain Cat Food

$37

Costco’s pet selection isn’t dedicated solely to dogs. Cat owners love this salmon-and-sweet-potato formula, calling the food “good quality, affordable, and healthy.” The grain-free formula comes in an 18-pound bag.

cat tower — Costco

9. Prestige Cat Trees Cat House

$200

Sure, sometimes cats just love a plain cardboard box to play in. But for owners who are willing to splurge, this cat tower is an ideal playground for larger pets (and homes with multiple cats). The easy-to-assembly structure features wood, carpet, and rope materials, along with multiple tiers for cats to perch on.

Hotel Doggy Melton Blanket Coat — Costco

10. Hotel Doggy Melton Blanket Coat

$40

When the temps start to dip, break out this blanket coat with a sherpa lining. It’s available in brown and gray — and shoppers say it’s well-made, attractive, and keeps their fur babies warm.

Kirkland Signature Rectangular Large Bolster Cuddler 42" x 32" Pet Bed

11. Kirkland Signature Rectangular Large Bolster Cuddler

$55

With an appealing design and upholstery-grade fabric, this playful dog couch is an upgrade from some dog beds out there. It features easy entry for older or large animals. The cover is machine washable for easy maintenance.

Full Moon Antibiotic Free Chicken Jerky Dog Treats — Costco

12. Full Moon Antibiotic-Free Chicken Jerky Dog Treats

$30

Sometimes a dog will need a little extra incentive to do what you ask, and these treats will do just the trick. You can feel good about the fact that they're cage-free, made in America, and don't contain any grain or glycerine. They rate a solid 4½ stars based on nearly 500 reviews.

Dog toys — Costco

13. Happy Tails Barnyard Buddies Dog Toys

$20

With more than 1,000 reviews, this trio of toys is a major Costco favorite. Shoppers love how solidly constructed they are, noting that they maintain their squeak even after weeks of rough play. The trio features an owl, duck, and rooster squeaker toy, all machine washable.

VetIQ Calming Chews at Costco — Costco

14. VetIQ Calming Chews

$30

For jittery pets — or those who just need to get through fireworks season — these calming chews might bring some much-needed relief. Each bag offers 60 hickory smoke-flavored chews that help promote relaxation. “They seem to be helping our dog with her anxiety whereas other methods we have tried have not worked. I'm very happy!” wrote one pet owner.

MOmarsh Home Cot Dog Bed — Costco

15. MOmarsh Home Cot Dog Bed

$100

This raised cot designed by veterinarians measures 43x27 inches and features a removable pad for quick cleaning. The cot folds up for easy transport and storage.

Nutramax Cosequin Joint Health Soft Chew Supplement for Dogs — Costco

16. Nutramax Cosequin Joint Health Soft Chew Supplements

$80

These soft chews aim to encourage joint and bone health while supporting flexibility. The supplements contains MSM (methylsulfonylmethane) to help ease discomfort associated with activity and omega-3s for skin and coat health. "Seems to make a big difference in how limber my older dog is," wrote one customer. "She is much less stiff and able to move and walk like she is half her age."

Arlee Home + Pet Booster and Car Seat — Costco

17. Pet Car Seat

$70

For active pet owners who like to take their furry companions wherever they go, this car seat makes it easier to bring your furry pal along. Arlee Home + Pet's booster/car seat keeps your partner safe and comfy, allowing your co-pilot a view of the road and scenery from a secure perch atop a non-skid base.

Diggs Revol Collapsible Dog Crate and Pad Set — Costco

18. Diggs Revol Collapsible Dog Crate and Pad Set

$250

Safe for animals weighing up to 30 pounds, this pet crate offers a sturdy frame, collapsible design, and a comfortable memory-foam pad. There's a divider for crating more than one pup, as well as a hatch on the top. Note: The order ships in multiple boxes.

Lucky Dog STAY Series Studio Jr. Dog Kennel — Costco

19. Lucky Dog Stay Series Studio Jr. Dog Kennel

$230

Let your dog get some fresh air while keeping them corralled at the same time. No tools are necessary for setting up, and the cover fabric features a 50+ UPF sun rating. The kennel measures 48 inches square and 52 inches tall.

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