Swimming Pool Equipment is of high quality and fari price,it has the certificate of ROHS issed by SGS. Swimming Pool Equipment1.Material:NBR/PVC2.Heater:NBR/PVC rubber mat3.Hardness:Shore A is 70,very flexible.4.Colour:Black,and others are avaliable5.Standard:ROHS6.OEM orders are welcome7.Usage:Pool and Spa.8.Features:Weather-resistant,Ozone-resistant,aging-resistant,heat-resistant,etc.