Detailed Product Description Sports floor for swimming 1.the products passsed ISO9001, ISO14001; 2.thick: 3mm( wear layer1.2mm) 3.size: 1.5m* 20m/ roll 4.anti-slip swimming pool cover : 1.Material: PVC 2.Thickness: 4mm( wear layer 1.2mm) 3.Size: 1.5m* 20m/ roll 4.anti-slip, non-toxic, harmless, pollution-free, an ti-hydraulic pressure 5.it is special used for swimming pool boundary