Ohuhu Envelope Sleeping Bag, Backpacking, Lightweight, Portable and Waterproof with Compression Sack - for Traveling, Camping, Hiking This sleeping bag is waterproof and comfortable - Nylon outer & 100% polyester inner filling Light Weight (780g/1.72lbs) & Foldable Design (Folded Size: 4.7" x 11.4") makes your camping experience more easy and convenient This single sleeping bag is portable and space-saving, easy to roll up into the carrying bag Temperature limitation: 55, Comfortable Temperature: 68. Zip at the right side - You can get a double sleeping bag if you also purchase the one has its zip at the left side(B012VS8J5Q) To get a double sleeping bag, you can simply order both the right hand zipper model and left hand zipper model, and zip them together; The left hand zipper model is specially designed for left-handers. Just fold the sleeping bag in half and roll it up into the included carrying bag. Compression sack for space-saving; Light Weight: 780g/1.72lbs; Compressed Size: 8.9&#034; x 4.7&#034;. Outer: Nylon Liner: T/C Fill: 100% Polyester Fill weight: 100g/ Temperature Limitation: 55; Comfortable Temperature: 68