Space saving compression design: These compression sacks reduce the volume of your gear by compressing items such as sleeping bags, clothes, and camping gear, helping you maximize packing space. Lightweight and durable nylon material: Constructed from lightweight nylon, these sacks are strong and stable, with tear and abrasion resistance for long lasting use in rugged outdoor conditions. Waterproof and multi purpose: Each sack is designed to be waterproof to keep belongings dry in various weather conditions, making them versatile for camping, hiking, or travel and suitable for storing a range of items. Available in multiple sizes: The compression sacks come in three sizes S, M, and L, allowing you to choose the right size for different gear and to efficiently organize and compress different items. Use scenario: On a backpacking trip, use the correct size sack to compress a sleeping bag and clothing to space inside your backpack. Use scenario: While traveling, layer outfits and gear into different sizes to maximize luggage space and keep items organized. Use scenario: In wet or damp conditions, keep dry items separated from damp gear by using the waterproof sacks, while storing a range of items from electronics to clothing.