The Velar vacuum bottle is a compact 500ml, double wall vacuum insulated stainless steel drink bottle with a stunning streamlined design. It has a secure screw on stainless steel lid and will keep drinks cold for 24 hours and hot for up to 12 hours. Velar is BPA free and laser engraves to a shiny steel finish. It is presented in a black gift box. This product is not dishwasher safe and handwashing is recommended.