The pool liner is made of felt material. Provides extra protection for the pool liner village. Protects your liner from cuts and punctures from rocks, , glass and other objects. If your pool has a round, oval or irregular shape, it can be easily cut to your desired size with just a pair of scissors. pool liner is made of high quality felt material. It can provide long-term protection for your pool without frequent replacement. Extend the life of your pool liner village Pool liners provide a cushioning barrier directly between the pool and the floor, making them soft and comfortable underfoot. It also insulates against temperatures on hot summer days Pool liners are designed for above ground feet for a variety of above ground pools. Lay a sand barrier, place the liner pad, and then build the pool on top of the liner. Colour:Black Material:Felt Size:Diameter: 3.7 meters Package Contents: 1 x Pool Liner Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.