40mm interlocking Play mats (Outdoor)Sold in square metres but these will come in 4 x 500x500mm interlocking sections to form 1 square metre. Price is for 1 sq metre Traditional playground tile with interlocking dowels. The bottom of this tile is specially designed to be laid on a sand or gravel base but can go on any flat surface. This is the mats that all the creche's and school's go for. Fall height guarantee of 1. 4 meter Anti skid even when wet Available in red, green and black and