Sea to summit lightweight 70d dry sack blue our lightweight dry sacks are incredible value not only are they light but also durable and compact once you start using them youll become addicted you can squash these into spots ordinary heavy dry bags wont go fits into little corners of a sea kayak or light enough to take backpacking or adventure travelling suitable to keep contents dry in any wet situation where the bag is not submerged features soft and flexible for easy storage wh