Rubber-Cal 03-122-INT-BK"Dura-Chef Commercial Interlock" Anti-Fatigue Rubber Matting, 36" x 36" x 1/2", Black Interlocking drainage tiles are very easy to install Each 3ft x 3ft interlocking tile features circular drainage Holes In addition to kitchens, they can be used in bars, spas, flower shops, and more Available in a 1/2 thickness for increased kitchen comfort. Heavy duty flooring mats can handle the press of heavy weights Durable commercial kitchen mats made from reclaimed rubber