4cm x 1m x 1m Interlocking Sports and Safety mats. Being thicker the mats are able to be slightly softer yet retaining a firm surface for hard and complicated footwork, the greater gauge allowing a greater safety margin in falls. These mats are tested for Child Fall Height and is rated at a maximum of 3m. This makes the mats ideal for any sport or activity where Children are involved whether in play at home, school or the nursery as well as in the sporting or exercise arena. Pilate's Aerobics and Gymnastics including safety areas in Hospitals were various exercises are carried out. Being fully reversible the mats may be laid chequer board, plain blue or plain red.