OPSAK bags are resealable, lightweight storage bags that are waterproof, odor-proof, and vapor-proof. They protect against microscopic particles and are made from FDA- and NSF-approved, BPA-free food-safe material. Designed for camping, travel, and adventure racing, they can safely store food and body waste. The bags are waterproof up to 200 ft (60 m) and can be used with boiling water to rehydrate food. They are recyclable, reusable, and made in the USA.