From the little fish to the big shark: This cheerful, blue underwater world is only home to friendly ocean dwellers. And, if need be: They should also be allowed to take a sip from the coolest fish bottle in the world! The high-quality, recyclable aluminum drinking bottle is extremely easy to transport and is equally suited to both school and leisure activities. The material is free from harmful chemicals, such as estrogen-mimicking substances and phthalates . The multi-layered inner liner holds up a lot of stress (eg bumps) and guarantees for safer drinking enjoyment. The spill-proof child cap also ensures easy transport, even when things get bubbly like an aquarium! This SIGG product is CO2-neutral.