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The Grand Pan senior cat litter box
Wholesale Pet Products, Made in the USA
We make whelping boxes and Grand Pan litter boxes in Zanesville, Ohio, and sell them to pet retailers and distributors.
- Made in Zanesville, Ohio
- For retailers and distributors
- Sold on Chewy.com
The wholesale line
- Whelping boxes in seamless HMW-HDPE for small and medium breeds
- Senior cat litter boxes, 30 inches square with a low entry, for senior, arthritic and large cats and multi-cat homes
- Dog litter boxes and pee pad holders, 30 inches square with 9-inch walls, for dogs up to 70 lbs
The senior cat litter box and the dog litter box are the same pan. They share a part number for each color, and each label has its own GTIN.
| Product | Size | Walls and entry | For | Colors |
|---|---|---|---|---|
| Whelping box | 30″ x 30″ top, 25″ x 25″ floor | 9″ walls on three sides, 3.5″ front entry | Small and medium breeds | Gray or beige |
| Senior cat litter box | 30″ x 30″ top, 25″ x 25″ floor | 9″ walls, 3.5″ front entry | Senior, arthritic and large cats, multi-cat homes | Gray or beige |
| Dog litter box | 30″ x 30″ top, 25″ x 25″ floor | 9″ walls, 17″ wide x 3.5″ high entry | Puppies and dogs up to 70 lbs | Gray or beige |
Item numbers
| Product | Color | Part number | GTIN (UPC) |
|---|---|---|---|
| Whelping box | Gray | P1005-AG | 810503027677 |
| Whelping box | Beige | P1005-AB | 810503027684 |
| Senior cat litter box | Gray | P1005-PG | 810503027721 |
| Senior cat litter box | Beige | P1005-PB | 810503027707 |
| Dog litter box | Gray | P1005-PG | 810503027691 |
| Dog litter box | Beige | P1005-PB | 810503027738 |
Each litter box ships in its own carton, 31″ x 31″ x 10″, at about 7 lbs.
Why retailers stock them
Shoppers already search for what these products do. In September 2026, Google Keyword Planner showed about 12,100 US searches a month for a litter box for large cats, 9,900 for a whelping box and 8,100 for a dog litter box.
The Grand Pan line sits between basic plastic litter pans and electronic litter systems that cost hundreds of dollars. It is designed for pets that go in the wrong places because of age, arthritis, size, weight or illness. Our senior cat litter box has sold on Chewy.com since 2022 and had more than 100 five-star reviews there as of late 2025.
Who can buy wholesale
- Independent pet stores and pet boutiques
- Pet store chains
- Farm, feed and ranch stores
- Veterinary clinics and hospitals with a retail shelf
- Breeder-supply and kennel-supply retailers
- Online pet retailers
- Pet supply distributors and buying groups
If you buy wholesale pet supplies for a store or a distribution business, we’ll send pricing and quantities.
A pet product manufacturer in Ohio
We’re a thermoforming company, and we make these products at our plant at 1150 Newark Road in Zanesville, Ohio. We were spun out of Fabri-Form in 2013 and are a certified Service-Disabled Veteran-Owned Small Business (SDVOSB). Our products are made in the USA.
Wholesale ordering
Contact us for wholesale pricing, case and pallet quantities, and lead times. For store programs and distributors, we can ship bulk pallets to your distribution center. We already drop ship for national distributors, including Chewy.com, Global Industrial, School Specialty and Würth, so ask how drop ship would work for your program. We can also make the pans and the whelping box under your own brand.
Stock Shirley K’s pet products
Tell us about your store or distribution business, and we’ll send pricing and quantities.
Call: (740) 868-8140 · Email: orders@shirleyks.com · 1150 Newark Road, Zanesville, OH 43701
Wholesale Questions
Who can buy wholesale?
Pet stores, pet chains, farm and feed stores, veterinary clinics, breeder-supply retailers, online retailers and distributors.
Is there a minimum order?
Contact us for minimum order quantities and wholesale pricing.
Do you drop ship?
Yes. We drop ship for national distributors, including Chewy.com, Global Industrial, School Specialty and Würth. Ask how it would work for your program.
Do you offer private label?
Yes. We can make the pans and the whelping box under your brand. Ask about it when you contact us.
Are the cat and dog litter boxes different products?
They are the same pan. They share a part number for each color, and each label has its own GTIN, so you can stock either one or both.
Where are the products made?
In our plant in Zanesville, Ohio.
What colors are available?
Each product comes in gray or beige.
I’m a pet owner. Where can I buy one?
We sell through retailers. Ask your local pet store to carry Shirley K’s, or find our products at Chewy.com.