Floortex Cleartex AdvantagematPlus APET Lipped for Low/Standard Pile Carpets - 36" x 48" - 48" Length x 36" Width x 0.087" Depth x 0.375" Thickness - Lip Size 10" Length x 20" Width - Lipped - Amorphous Polyethylene Terephthalate (APET) - Clear - 1 E