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 mug into a convenient travel thermos!Take our travel coffee mug to go outside for outdoor activities instead of disposable poisonous cups. It’s very convenient to carry on a trip. Never worry about leakage.This photography cup can work as a decoration for your house/office, and also be used as a money pot,delicate pen holder and more.Festival Gifts idea for your friend,especially for coffee lovers and photography enthusiast ! Transparent lens lid on the top,looks like a real SLR lens.