... in a calming stream river rock table mat1.This pebble mat is ideal for interior or exterior ... pebbles on a water resistant felt backing.2.Beautiful,natural,virtually,indestructible mat may be used outdoors ... water,the flat stones in this bath mat create a wonderful spa experience,gently massaging ... comfort.Our absorbent,durable backing ensures that the mat sheds water,dries completely,and hold its ...