1.Material: LDPE 2.Act as a net for safety and clean 3.Lightweight, easy and safe to use, transport 4.Can be welded material: low density PEbubble diameter:7/12/20/25/30/35mmwidth:1.5~1.6m (can be welded)length:50~60m (can be welded)cover thickness:400/500/600 microncolor: blue,black,fuchsia and so on.shape: rectangle, round ,ellipse and so on.usage: swimming pool,outdoor,athletic field, ...