The Main Material : Polypropylene(PP) Size: 304.8mm*304.8mm*13mm Wide range of application: Multi-purpose Be used for basketball, tennis, racquetball, weight training, aerobics, outdoor futsal, handball, volleyball, badminton and roller hockey. Features: Suspended modular surface Interlocking flooring Reducing shock, delivers excellent traction and ball response Can be 100% recyclable, do not contain any toxic elements, do not have any smell Water-resistant and UV-resistant Have a long using life easy to install Virtully no maintenace Installation: It can be installed directly over the concrete,asphalt or any other hard and flat surface, there are edgings for the finished courts, screws are needed, you should use the paper knife or circular saw to cut the tiles to make a perfect fit.