Checkmate is a savings app with over one million users that have saved $$$ on brands like eBay.
The Checkmate extension automatically applies eBay discount codes, eBay coupons and more to give you discounts on products like 30 pack Magnetic Trading Sports Card Holders 35pt One-Touch UV Protection.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.