Right now there are 1,300 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Pet Supplies › Dogs › Collars, Harnesses & Leashes. 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, Best Pet Supplies, Voyager, rabbitgoo, Carhartt, Baskerville, FLEXI, Halti. Every item is a one-off, so the stock moves all day and new deals keep arriving.