Brilliant - Keychain Mini Camera Lens Shot Glass with Cover 2.5 oz. Features a stainless steel thermos interior and a food grade PVC durable plastic exterior with rubber grips, styled after popular Canon zoom lenses Double wall construction creates an insulated hot drink mug and it can hold up to 2.5 ounces (75 ml). Height: 7 cm. Air tight and liquid sealed, the mug is safe to use for travelling while drinking your hot or cold beverages It's a perfect gift idea for all those who love photography