WHY NEOPRENE? NEOPRENE COASTERS WITH TEXTURED RUBBER BACKING PROTECTS TABLE SURFACES FROM BEVERAGE CONDENSATION. THESE CAN BE CUSTOMIZED WITH YOUR COMPANY LOGO OR ART DESIGN. WASHABLE. WE RESERVE THE RIGHT TO SHIP OVER/UNDER 5 PERCENT. 3.5" L X 3.5" W X 3/16" THICK