SlipX Solutions Pebble Bath Mat Feels Great on Tired Feet & Helps Prevent Slips (Looks Like River Rocks, 140+ Suction Cups, Machine Washable) (Large, Blue) Vinyl Made in USA or Imported SlipX Solutions Pebble Bath Mat looks and feels like real pebbles with varying depth and dimension. Adheres to the tub and non-textured surfaces with 140 suction cups. Pebbles calm sore, achy feet. Machine washable.