This is a handmade product. 【Material】 Dyneema® Composite Fabric (DCF) ※Dyneema® is a registered trademark of Avient Corporation. 【Size】 Large: Approximately 30.5cm wide x 45cm long x 10cm deep 【Capacity】 Large: Approximately 7L ※This is an estimate of the capacity when the roll-top portion is folded three times. 【Weight】 Large: Approximately 37g 【Color】 Black ・This product is a lightweight, compact, roll-top compression stuff sack. ・It efficiently compresses sleeping bags, clothing, etc., saving space in your backpack. ・The 【Large】 size can accommodate a winter sleeping bag or a three-person tent. ・Seam-sealed. ・The side cords are high-visibility orange. ※Please note: Although it is a roll-top design, the top portion cannot be secured with a buckle after compression. Compression is done with the side straps, and the top is only rolled up. ※All products are handmade. Prices and specifications may be changed or sales may be discontinued without notice. ※Due to the nature of the material, there may be color unevenness or wrinkles in the fabric. ※Marker marks from the manufacturing process may remain. ※Although seam-sealed, complete waterproofness is not guaranteed. ※Products will be folded for shipping.