Classic 650ml double-wall, vacuum insulated stainless steel drink bottle which will keep drinks cold for 24 hours or hot for up to 12 hours. Nomad offers a choice of three lid styles and an optional carabiner is available for the flip valve lid and the sipper lid. It is BPA-free and laser engraves to a natural etch. Nomad is nicely presented in a black gift box or an optional gift tube. This product is not dishwasher safe and handwashing is recommended.