Polyester Imported ✅ ULTRA LIGHT WEIGHT - with only 2 lbs it’s one of the lightest gear in its class. ✅ IDEAL FOR INDOOR & OUTDOOR - sleep comfortable with temperatures above 40 F degree - warm & cold weather (spring, summer, autumn). ✅ FITS MOST HEIGHTS - with 30 x 71 in. dimensions, it’s perfect for persons up to 6 ft. 1 in. (boys, girls, women, men, adult, teen, child, kid, boy, girl, childrens) ✅ HIGH QUALITY MATERIALS - environment-friendly, good UV radiation, color fadeless, weather resistant! ✅ 100% SATISFIED or MONEY BACK - RevalCamp products are covered by 100% satisfaction policy. If you have any issues with the product, we’ll replace or refund it. Ultra Light Sleeping Bag by RevalCamp for indoor and outdoor use (Rectangular).