QHMS 380ml portable capacity, easy to carry at anywhere anytime Place the suction mug on a solid and flat surface, such as desks or tables Well-chosen 304 stainless steel material, very durable This vacuum suction bottle is very well insulated to keep hot liquids hot Great for traveling, camping, picnic Firm suction on seamless desks, it won’t fall over if you push it lightly Lift the bottle straight up from the flat surface