ULTIMATE VERSATILITY: Ideal for backpacking, hiking, kayaking, boating, camping, cycle touring, travel, and more. WORRY-FREE 12-MONTH WARRANTY & LIFETIME CUSTOMER SERVICE. Considerate Design:1.The base of the sack is rectangular for space-efficient packing, and the black base is dirty resistant. 2. D-ring easy to clip to your backpack. ULTRALIGHT & DURABLE:Made of 210T high-quality Tear Resistant Polyester Material, Effectively balances LIGHTWEIGHT ( 3L-35g,5L-40g,10L-45g,15L-55g,20L-60g), and DURABILITY, keep your belongings dry and clean as barely adding any weight. Stay Dry on your Adventure:Pro-grade WATERPROOF Polyester with fully taped seam, combine with a Solid roll-top closure system provides a secure watertight seal. (Avoid full submersion). Keep Your Gear Organized:A set of 5 ultralight Dry Sacks in Five Different Colors and Sizes (3L,5L,10L,15L,20L), so you can easily recognize the contents. Best design for food, clothes, hats, all of the outdoor gear.Closure Type: Drawstring. Style: Backpack. Material: Polyester. Color: 5 Pack - Assorted Colors. Brand: Frelaxy. Best Sellers Rank: #1,661 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 1,045 ratings 4.4 out of 5 stars. Country of Origin: China. : B095K6PQ1T. Manufacturer: Frelaxy. Item Weight: 9.9 ounces. Package Dimensions: 14.17 x 2.91 x 2.2 inches.