This incredible travel mug is something you do not miss out on! It is made out of BPA Free translucent copolyester ensuring its durability. Moreover, it also comes with a lock system integrated into the auto-seal for your ease. The mug is perfect for both hot and cold drinks. It makes sure to keeps beverages hot for 1 hour or cold for 4 hours. The features that make the product so amazing include: - The mug is spill and leak proof - Good quality product ensuring its durability - Portable product making it easier to carry Moreover, the product comes with an auto seal technology that offers convenient, easy one-handed drinking Just press the autoseal button to sip and release the button to automatically seal. It also comes with an insulation technology in order to retain beverage temperatures for hours, maximizing beverage enjoyment whether used at the gym, in your car, on the boat or when going to school. Moreover, its “no sweat” exterior allows for an improved and more comfortable grasp. Get your hands on this amazing travel mug and enjoy your purchase!