Apex ventilation and a central lantern hanging point plus two mesh pockets extend its practical flexibility. Its lightweight Outtex 1500 Select Silver PU-proofed polyester fabric has a hydrostatic head of 1500mm. To make a larger shelter, a gutter can connect compatible designs._Flysheet: Outtex 1500 Select Silver polyesterUV Protection: UPF 30+Hydrostatic Head: 1500 mmPoles: Steel 19 mmFlysheet: 100% PolyesterPack size: 83 x 29 x 29 cmWeight: 15.6 kgColour: Grey