Floortex Cleartex AdvantagematPlus APET Lipped for Low/Standard Pile Carpets - 45" x 53" - 53" Length x 45" Width x 0.087" Depth x 0.375" Thickness - Lip Size 12" Length x 25" Width - Lipped - Amorphous Polyethylene Terephthalate (APET) - Clear - 1 E