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: 87 x 27 x 27 cmWeight: 13.7 kgColour: Grey_