"Cowboy Boots" 10oz Full Tempered Clear Glass Coffee Mug - Microwave Safe This 10oz Cardinal glass mug is crafted of durable premium full tempered glass for extra resistance and will make an ideal cup for your hot coffee and tea. It's embellished with a 3-D "Cowboy Boots" emblem made of lead-free fine pewter with a blue Swarovski crystal and made in the USA. Dishwasher safe and microwave safe (not for use with other metal utensils), but it is not oven safe. Capacity: 10 fluid oz; Mug measures: 3-1/8" Top Diameter x 3-1/2" Height. Each glass mug is individually packed in a see-through PVC display box and it will make a great gift for any occasion.