【Compression Bag Dimensions】S (8L): 48 cm x φ18 cm; M (15L): 53 cm x φ22 cm; L (25L): 63 cm x φ26 cm; XL (35L): 67 cm x φ30 cm. You can choose the size based on the amount of luggage you put inside, which is perfect for compressing a large sleeping bag, laundry, clothes, bedding, or other necessities during outdoor activities. 【Durable and Water-Repellent】The compression bag is made of premium 210D nylon, making it breathable, durable, and strong. It is very hard-wearing and also portable and water-repellent, ensuring your belongings stay dry even in wet conditions. 【Personalized Adjustment】The adjustable buckle can be smoothly adjusted without getting stuck, depending on the user's needs and preferences, providing a more personalized user experience. The inside of the sleeping bag can be flexibly expanded and adjusted according to your personal needs. The compression bag has a simple shrink wrap and elastic closure, allowing you to easily adjust the length. 【Lightweight and Convenient】Our sleeping bag compression bags are small, easy to carry, and do not add to the burden when camping, traveling, hiking, and other outdoor sports! 【Versatile Use】The compact Nylon Stuff Sack storage bag is ideal for use as an ultralight storage bag for camping, backpacking, wilderness hiking, RVs, cabins, and more. The storage bag can store sleeping bags, clothes, duvets, bedding, blankets, pillows, curtains, shoes, and anything else you need.