Right now there are 450 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Pet Supplies › Dogs › Collars, Harnesses & Leashes › Harnesses. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: PetSafe, Voyager, rabbitgoo, Best Pet Supplies, Gooby, BARKBAY, Ruffwear, Kurgo. Every item is a one-off, so the stock moves all day and new deals keep arriving.