$Cannons UK 40mm Tatami 1m x 1m Mats reversible red and green Applications: ---Martial Arts Studios ---Boxing Gyms ---Combat Training ---Yoga and Pilates ---Aerobics ---YMCA Multipurpose Rooms ---Indoor Kids Facilities & Playgrounds ---Basement Flooring ect.... Cannons UK 40mm Tatami 1m x 1m Mats reversible red and green CANNONS UK MATS, a name you can trust... Hardness: 45 degrees shore C, Density: 90-100kg m3 [Click here] (https://cannons-uk.myshopify.com/pages/what-is-hardness-and-density) for more information on hardness and density. Suppliers to MOD, Police Forces, Prison Service, The Biggest Loser ITV. Too Many Clubs to Mention, Many Councils, Schools and Colleges etc...... All CANNONS UK mats are approved by: They are used and approved by 9 Times World Karate Champion Wayne Otto O.B.E.