Claybox Canon 100mm f/2.8L Macro 11.8-Ounce 1:1 Camera Lens Coffee Tea Mug, Stainless Steel Interior, Plastic Exterior Designed after the classic Canon 100mm f/2.8L Macro lens Lid designed after the lens cap Insulating structure, stainless steel interior, plastic exterior Must have item for Canon enthusiast Volume: 11.8 ounces, not microwave safe, not dishwasher safe