Autism-Products.com proudly introduces the Surfloor Liquid Tile, Blue These mats come in bright cosmic liquid colors that move with every step, jump, dance, or hop! Each of these unique tiles is filled with the perfect match of color and liquid to create an astonishing display of bubbles, streams, and pools that react to your footsteps. The bold contrasting and changing color patterns of the Surfloor tiles will stimulate sensory and perceptual development while being mesmerizing fun for all! Measures 19-1/2 and 19-1/2 inches. Stimulates sensory and perceptual development Leak proof; filled with non-toxic liquid Anti-slip foam layer on back side Super durable design for years of use