Platypus duolock softbottle 2l new high capacity flexible bottle with dual locking cap product details perfect for carrying or stowing more water the new 2 liter duolock tm softbottle tm flexible water bottles dual locking cap delivers double the protection for leak proof confidence the bottle is conveniently easy to carry fill pour or drink from for versatile hydration highly packable easily flattens and rolls up when empty saving space secure patent pending duolock tm