... right for you! Double walled s/s construction, push-button self-locking switch. vacuum flaskBowling Shaped,have different colors!Always have ... different people.Features:1.Double walled stainless steel construction,push-button self-locking switch2.Portable sling design.3.The lid ... be used as cup,convenience and easy to use.4.Push-button switch can self-locked.Simple, safe, durable, good thermal ...