The bottle and flip lid are made from BPA free materials and food grade stainless steel. lid-lock prevents the seal button from accidently being pushed while on-the-go.
Designed with double-walled vacuum insulation, this durable coffee mug can keep beverages cold up to 6 hours and hot up to 4 hours helping you stay cool, with smoothly drinking hole, easy to drinking.
The bottom of the Coffee Cup is glued with a rubber bottom, which can effectively prevent the coffee cup from sliding and overturning.