Checkmate is a savings app with over one million users that have saved $$$ on brands like Mercari.
The Checkmate extension automatically applies Mercari discount codes, Mercari coupons and more to give you discounts on products like Jordan 12 Retro (PS) Back Taxi varsity (release 2013) size 13c.
Checkmate users have also been loving these products from Mercari.
Users have been saving products like this to their collections.