Style When traveling, the backpack space is tight, you can use this product to compress the sleeping bag to save space. Features: Drawstring design, fast and convenient for compression. With ultra-light designed, light to carry, fine to carry small sleeping bag, laundry, clothing, bedding or other items for outdoor activities. Made of good quality 210D oxford fabric, more breathable and practical, with strong wear and tear resistance, and portable with waterproof function. The seam is carefully reinforced, more practical. Fine ultralight bags for camping, backpacking, hiking, RVs, cabins and more. Specifications:Color: Black, Green, Blue, Orange (Optional)Size: S,M,L,XL (Optional)S:Capacity: 8L Product Size: 480*180mm / 18.9*7.1in Product Weight: 80g / 2.8ouncePackage Weight: 90g / 3.2ounceM:Capacity: 15L Product Size: 530*220mm / 20.9*8.7inProduct Weight: 90g / 3.2ouncePackage Weight: 100g / 3.5ounceL:Capacity: 25L Product Size: 630*260mm / 24.8*10.2inProduct Weight: 120g / 4.2ouncePackage Weight: 130g / 4.6ounceXL: Capacity: 35L Product Size: 670*300mm / 26.4*11.8in Product Weight: 140g / 4.9ouncePackage Weight: 150g / 5.3ouncePackage Size: 300*200*50mm / 11.8*7.9*2.0in Packing List: 1 * Compression Bag (Sleeping bag not included) Style B Features: Made of high quality 210T polyester material, tearproof and gun resistant