Carole Shiber LIMITED EDITION of 100 Cosmic Grey Round Placemats are each one artfully hand-painted, signed and numbered. A 2017 Special Collection, each one made in the Hudson Valley on repurposed auto upholstery. Sponge clean after each use. especially on lightest shades. Chooses this for all similarly shaded, as opposed to the collections which will offer varied shadings from light to shocks of black.  For burrowed spots, use a clean nail brush or tooth brush to bristle out any spots that is on its way to become a stain!