Checkmate is a savings app with over one million users that have saved $$$ on brands like Amazon.
The Checkmate extension automatically applies Amazon discount codes, Amazon coupons and more to give you discounts on products like kitchentoolz 1 Gallon Extra Large Glass Mason Jar - Wide Mouth with Airtight Lid - Safe Container for Fermenting, Pickling, and Storing.
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.