Polygreen Play is made from 100% recycled, noncontaminated, post industrial cross-linked closed cell polyethylene foam. It is completely free of rubber, lead and heavy metals and is 100% recyclable. Polygreen Play is completely non-microbial and will perform for years without decay, deformation, mold or fungus growth. Polygreen Play provides consistent ASTM F1292 HIC and GMAX ratings independent of infill used in turf. It is highly elastic and retains its shock absorbing characteristics for many years.