1.Size:250*250*13mm,333*333*13mm 2. basketball court use 3. Surface with holes to drain 4. anti- ... Material :Virgin Polypropylene Copolymer(PP) Wide range of application:Be used as the surface of basketball court , tennis court, racquetball court, aerobics court ... , interlocking together. The raw material is very clean, no contain of toxic elements, have no smell, anti-sunshine, and water proof ...