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 Sleep Mask for Upgraded 3D Contoured Cup Eye Mask Blindfold, Block Out Light, Eye Mask with Adjustable Strap, Breathable & Soft for Sleeping, Yoga, Traveling (3D-Black).
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.