Mildew-resistant, easy-to-clean. Suction cups grip tub/shower surface to keep in place. Not for use in textured surface tubs. Dimensions: 13.8" x 20.9". No. 22650202.12: Width: 13-4/5", Length: 20-9/10", Color: White No. 22650211.12: Width: 13-4/5", Length: 20-9/10", Color: Ecru Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!