Smart 550ml BPA-free, double wall, vacuum insulated stainless steel drink bottle which will keep drinks cold for 24 hours or hot for up to 12 hours. It has a secure screw on stainless steel lid and a soft silicone carry handle. Jericho laser engraves to a natural etch and is presented in a black gift box or optional gift tube. This product is not dishwasher safe and handwashing is recommended.