dry bag

Voted most used bag by Billy Ackerman, meet the 2015 Manera Dry Bag. If you’re a water sports enthusiast, water junkie, or just hitting the beach 4.5 days a week meet your new best friend. Not only does this 25L beast keep dry items dry, but it also keeps those wet items nice and wet.
The MANERA drybag has been developed to be handy in all situations. Carry your drinking water or other personal items when SUPing, save your important equipment when going long distances, or store your wet kitesurfing stuff.