Manufacturer name: Kiyota, "Just Place it (Just Submerged in Water)" for easy installation. The shape is safe for stumbling with your feet. The surface is made with a 1.2 inch (3 cm) square grid, and the back is finely textured to prevent slippage regardless of the material where it is installed. The edges are slanted smoothly and there is no need to worry about stumbling or rolling around the mat. This is not a suction cup type. Do not use with stainless steel bathtubs. Simply place it in a place where you want to prevent slippage and it fits onto the surface of the surface. You can also use it in the washroom or tub water (easy to sink by its own weight). Also, it can be easily removed after use, making it easy to clean. It is hygienic to use at all times. Can be used in washrooms and bathtubs. Can be used by bedside, entryway, tatami mat, carpet, flooring, etc. Size (W x D x H): 26.8 x 15.0 x 0.1 inches (68 x 38 x 0.3 cm); Weight: Approx. 2.6 lbs (1.3 kg); Material: Synthetic rubber (antibacterial and mildew resistant); Country of Origin: Japan