Outdoor Waterproof Dry Bag Storage Sack Durable and practical storage bag made from 210T polyester taffeta fabric, designed to keep items clean and dry in wet conditions. Longlasting and secure: can withstand 10,000 reuses with its solid buckle for safe and secure usage. Convenient and practical: fine stitches, tough bag mouth, and complete sealing in three seconds for fast, easy use. Can be used as a shoulder bag or cross bag, with a strap for carrying heavy items. Material and performance: hydrostatic pressure rating up to 5000m, providing reliable waterproof protection for your items. Size and color options: available in multiple sizes 5L, 10L, 20L, 40L, 70L and a range of bright colors to meet different needs. Use scenarios: 1) On water activities such as kayaking, rafting, or boating to keep gear dry. 2) Outdoor trips like camping or hiking to protect clothes, electronics, or other gear. 3) Travel, commuting, or day trips to store documents, valuables, or spare clothing while staying dry.