Xl Size Upgraded Version Of Camping Sleeping Bag 4 Seasons Warm And Cool, Nylone ?? Material:The nylon on the outer surface is a high-quality waterproof and breathable material, and the inner surface is a layer of polyester soft cushion, which allows you to lie on a soft and comfortable cushion, the filling is Microfiber. Large Size Sleeping Bag:XL Size sleeping bags for adults,more space than normal sleeping bags,the widening style camping bag is(86.6*31.6 inches), which is enough for adults or children to move freely and find the most comfortable sleeping position for themselves. Applicable Season:Our sleeping bags can be used in multiple seasons,Microfiber cotton can give us enough warmth,Microfiber can make us have a good place to sleep anywhere, and the ventilation effect can keep us from being stuffy. Easy to Install and Easy to Carry:Backpack sleeping bags, each sleeping bag has a storage bag, you only need to pack the sleeping bag when not in use, and you can carry it with you when you go camping in the wild. Be Assured To Buy: We are committed to providing high quality products.But if you are not satisfied for any reason, please contact our customer support, we will try our best to make you satisfied with your purchase.