Vance Extra Large Black 16 X 20 inch Surface Saver for Over Sink Food Prep, 82016BK-OS Vance tempered glass surface saver cutting boards are made to protect surfaces throughout your house. Non-porous cutting surface makes these more sanitary than wood or poly boards. Perfect for slicing, dicing, chopping or as a trivet or serving tray. To extend the life of your countertop or repair damage, cutting boards can be installed directly into countertop when purchased with a stainless steel frame. Fits over edge of sink bowl for easy Salad and food prep. Scraps slide conveniently into disposer bowl Sanitary work surface resists stains, and odors. Durable, long-lasting, impact-resistant tempered glass. Protects surfaces from heat, scratches, and condensation.