Full waterproof protection with a simple roll-top closure, our Blocker Dry Sack provides resourceful adventurers an efficient-packing shape to optimally organize and protect essential clothing and gear inside a pack.Features:Versatile materials: Lightweight 70D polyurethane-coated nylon materials are a tougher, more resilient cousin to the ultralight BlockerLite materials. More durable and versatile, these materials are great for all-around use with confident waterproof protection.Waterproof closure: Roll-top closure features a wrinkle-free stiffening strip to ensure a secure seal when closing the dry sack.Durable construction: Fully welded seams result in stronger and more durably protective construction compared to sewn-and-taped seams.Efficient-Packing: PackTight™ packing system sacks feature flat-sided, rectangular shapes that nestle closely together, packing 20% more efficiently than rounded sacks for easy, space-saving organization.Technical Specifications:Weight (Standard): 1.7 ozWeight (Metric): 0.05 kgWidth (Standard): 3.5 inWidth (Metric): 9 cmLength (Standard): 6.4 inLength (Metric): 16.5 cmHeight (Standard): 11.8 inHeight (Metric): 30 cmVolume (Standard): 305 cu. inVolume (Metric): 5 litresPVC-Free: YesClosure: Roll-downBottom Shape: RectangularProtection Level: waterproofMaterial(s): 70D polyurethane-coated nylonCountry of Origin: Made in China