1.nylon

2.USED FOR 3 SEASONS:Our Sleeping Bags can be used for 3 seasons.They are designed for 10~20 Degrees Celsius. Moreover, these bags also have a weather-resistant design to keep you warm even in extreme conditions and prevent you from any dampness

3.Reliable design: Our camping sleeping bag features a double zipper design with zippers on both the bottom and sides, allowing for easy movement of hands and feet. It’s comfortable, reliable, windproof, and waterproof, protecting you from the harsh outdoor weather.

4.SIZE&EASY TO CARRY:180cm x 75 cm.Each sleeping bag comes with a compression sack with straps, allowing for super convenient storage and easy carry maneuverability

5.This camping sleeping bag is made of a polyester-cotton blend fabric, offering waterproof, breathable, lightweight, and comfortable performance. The product is vacuum-packed; upon receipt, it needs to be aired out and fluffed by patting the surface to make it more comfortable and fluffy.