Classic 750ml double wall, vacuum insulated stainless steel flask which will keep drinks cold for 24 hours or hot for up to 12 hours. It has convenient push button operation and a screw on cup. The flask laser engraves to a natural etch and is BPA-free. This product is not dishwasher safe and handwashing is recommended. Features: * 750ml double wall vacuum insulated flask made from stainless steel * Keeps drinks cold for up to 24 hours and hot for up to 12 hours * Push button operation and screw on cup * Presentation: White gift box