Swiss made, Sigg bottles are legendary for their quality! The world-famous water bottles are not only very attractive, but absolutely leakproof and can be hermetically closed. The Sigg special child's cap with shut-off valve and screw system prevent leaks from badly closed bottles into a school bag. The bottles are made of aluminum, which is 100% recyclable. Sigg has bottles for kids of all ages. Parents, children and the environment all resolutely opt for the one and only original Sigg bottle!