This offer is for a 20mm (3/4in) thick interlocking mat. Each Mat is 1 metre x 1 metre giving coverage of 1 square metre (10.76 square feet) including edges. Mats interlock but are also supplied with 2 straight edges per mat for that perfect finish. Mats are reversible (can be used on both sides) with Black colour on one side and Yellow on back - Product meets CE regulations and has been tested for Compliance with European Standard on Safety of Toys. EN71 (2005) + A6 Part 1 Physical & Mechanical - EN71 (2005) Part 1 Labelling - BS EN71 (2006) +A1 Part 2 Flammability - BS EN71 (1995) +A1 +AC1 Part 3 Toxicity - Lead Free - Latex Free - Suitable for ages 3+