This lens coffee mug is made of food-grade ABS plastic materials and premium-quality stainless steel inside, making it safe to use for drinking. Insulated stainless steel interior transforms your flashy mug into a convenient travel thermos along with its leakproof design! For our health, take our travel coffee mug to go outside for outdoor activities instead of disposable poisonous cups. With the unique design, graceful shape, this photography cup can work as a decoration for your house. The best novelty gift and festival gifts idea for your friend, especially for coffee lovers and photography enthusiasts!