Envelope Design for Your ComfortOasis sleeping bag is designed into the shapes of envelope, give you spacious room in the bottom to place and move your legs and feet. With adjustable half-circle hood, it can nicely hold your body and keep you warm.Lightweight and durableMade with 100% Polyester material, Oasis Sleeping bag is only in weight of 1.4kg and able to warm your body in 3 seasons used. Its waterproof and well insulated from the ground, protecting you from 7C to 12C and even extreme -3C.Easy-run Zipper2 way zipper design on the side makes you convenient to get in and out. Addition with zipper baffle and a Velcro fastener, let the zipper goes well and secure. If needed for 2 persons, you also can zip together with another sleeping bag to make a double sleeping bag by yourself. After cleaning the sleeping bag, you could easily hang it up by the two straps added at the bottom.Well Compression to PackFor your convenient to carry it outdoor, you will surprise to find that, how compact it will be when you compress it into a small size carry bag(36 18cm). You could put in into your backpack, ideal for outdoor activities