Seal Line Blocker Compression Dry SackWaterproof, lightweight dry sack with space-saving compression.Their most versatile, feature-laden packing system sack, the Blocker Compression Dry Sack saves space on paddling and trail adventures, while the waterproof valve rapidly vents trapped air to ease compression-all this with fully waterproof construction ensures essential contents are protected, condensed and organised.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. *Smarter compression: Unlike conventional systems that pull against seams, their Continuous Compression system encircles the sack to minimise seam strain, maximising durability for dependable protection. *PurgeAir-equipped: Their unique and waterproof PurgeAir valve vents trapped air, helping the sack compress further after being sealed, and is both more durable and more reliably waterproof than waterproof/breathable fabric membranes. *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 organisation.Specs5 LTRSKU: 09784Colour: OrangeWeight (Standard): 3.5 ozWeight (Metric): 0.10 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 litersPVC-Free: YesClosure: Roll-downBottom Shape: RectangularProtection Level: waterproofMaterial(s): 70D polyurethane-coated nylon10 LTRSKU: 09785Colour: OrangeWeight (Standard): 4.4 ozWeight (Metric): 0.12 kgWidth (Standard): 4.3 inWidth (Metric): 11 cmLength (Standard): 8.2 inLength (Metric): 21 cmHeight (Standard): 14.1 inHeight (Metric): 36 cmVolume (Standard): 610 cu. inVolume (Metric): 10 litersPVC-Free: YesClosure: Roll-downBottom Shape: RectangularProtection Level: waterproofMaterial(s): 70D polyurethane-coated nylon20 LTRSKU: 09786Colour: OrangeWeight (Standard): 5.9 ozWeight (Metric): 0.17 kgWidth (Standard): 5.5 inWidth (Metric): 14 cmLength (Standard): 10.4 inLength (Metric): 26.5 cmHeight (Standard): 18.8 inHeight (Metric): 48 cmVolume (Standard): 1220 cu. inVolume (Metric): 20 litersPVC-Free: YesClosure: Roll-downBottom Shape: RectangularProtection Level: waterproofMaterial(s): 70D polyurethane-coated nylon30 LTRSKU: 09787Colour: OrangeWeight (Standard): 6.9 ozWeight (Metric): 0.20 kgWidth (Standard): 6.2 inWidth (Metric): 16 cmLength (Standard): 12 inLength (Metric): 30.5 cmHeight (Standard): 22.8 inHeight (Metric): 58 cmVolume (Standard): 1831 cu. inVolume (Metric): 30 litersPVC-Free: YesClosure: Roll-downBottom Shape: RectangularProtection Level: waterproofMaterial(s): 70D polyurethane-coated nylon