SlipX Solutions Blue Prism Bath Mat Provides Reliable Slip-Resistance (15.5" x 32", 120+ Suction Cups, Machine Washable) vinyl Machine washable for years of use. 15.5W x 32L. Great coverage! Attractive, textured surface pattern provides reliable slip-resistance. 120+ suction cups keep this mat secured to non-textured tub and shower surfaces. 120+ suction cups keep this mat secured to non-textured tub and shower surfaces.