Travel vacuum bottle are made from high quality food grade stainless steel that are safer and lighter than using plastic or glass water bottles! It’s ultra-light weight and compact. Keep your beverages cold all day without a cooler (or hot without a microwave!) Our double-wall vacuum insulated stainless steel bottles prevent outside temperatures from affecting the inside beverage temperature so your drink stays just the way you like it – all day long. This convenient size fits perfectly in most cup holders and backpack pockets.