Come and see our amazing products. This products is made of food-grade materials silicone and Stainless steel, which meet all FDA requirements. It has self stirring function. You just need to put coffee or your favorite beverage in and turn on the switch.( requires 2 AAA batteries, not included). Camera lens shape design makes the products more fashion and unique. Display your love of photography while enjoying your favorite beverage! Safe to use for drinking hot or cold beverages, the lens mug is portable for travel with screw-on lid to prevent leaks. It can be used for advertising and as a promotional gift. Your print logo is welcomed. Pls confirm with us about the packing info, stock color and exact production time before placing your order.