The EcoSee Bag delivers a host of performance benefits, making it the premium transparent dry bag in every respect. Extra tough urethane outshines traditional vinyl with superior abrasion resistance, lighter weight, better cold weather performance and an improved seal. Plus it's 100% PVC free, making it a great alternative for anyone looking to make more environmentally responsible choices. Premium Protection: tough, providing exceptional durability and protection. Easy Packing: Clear urethane makes finding what you need a cinch. Reliable Protection: Dry Seal top closure and supple materials ensure the best waterproof seal possible. PVC Free: Eco friendlier urethane is less harmful to the environment than vinyl.