ColorLyte? Acrylic Beverage Coaster, Round, 3.75″ x .22″. These beautiful acrylic coasters provide an attractive and modern way to display a monogram, favorite photograph or full-color design while protecting wood furniture and table tops from hot mugs and water rings. Hand-washing recommended for maximum life of the imaged product. The .22″ thick acrylic coasters give depth and brilliance to transferred images while the white the backside provides amazing image clarity and color reproduction.