Floortex Polycarbonate Lipped Chair Mat for Carpets over 1/2" - 48" x 53" - Carpeted Floor, Floor, Home, Office, Carpet - 53" Length x 48" Width x 0.110" Depth x 0.110" Thickness - Lip Size 20" Length x 10" Width - Lipped - Polycarbonate - Clear - 1 Each