Traditional GSM is 490 Actual GSM is 267.7Waterproof TarpaulineDurable and practicalHeat sealing edge with rings.High strength MaterialIt is a perfect sunshelter,easy to use and to operate.Widely using as a car cover,boat covers,machine covers and many other placesIt is rustproof which can be using for a long timeIt can apply in many different kinds of weatherSpecifications:Color: Orange And BlueMaterial: PESize: 24ft*18ftWeight: 11KgTo cover: Car transportation, Open storage, Field Camps, etc.Package Include:18x12ft TarpaulinNotes:1. For Heat sealing there will be 1.5inch less in each side.Thanks for your understanding.Specifications of 490GSM 24x18ft Waterproof Tarpaulin Outdoor Field Camping Tent Cover Canvas Car Cover Canopy Brand No Brand SKU 157706742_BD-1088724360WhatÂ’s in the box490GSM 24x18ft Waterproof Tarpaulin Outdoor Field Camping Tent Cover Canvas Car Cover CanopyVIEW LESS