Come and Check Our Branding Solutions.This Owala Coffee Mug is made of stainless steel double-wall vacuum insulation and keeps liquids hot up to 3 hours or cold up to 11 hours.one-handed drinking with the push of a button with no caps to unscrew or misplace.very part of the stainless steel coffee tumbler is built to last. The vacuum insulated tumbler with lid can take drops without a single dent, and the seal will remain intact. Suitable for Travelling,Outdoors,Home and Office. Pls check inventory and detailed info before placing your orders.