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 Estee Lauder Double Wear Stay-in-Place foundation(2N2 BUFF)1.0 Oz/30 ml.
Checkmate users have also been loving these products from Mercari.
Users have been saving products like this to their collections.