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 Steven Madden Mara Womens Faux Leather Pointed Toe Knee-High Boots NWOB Size 9.
Checkmate users have also been loving these products from Mercari.
Users have been saving products like this to their collections.