You can\'t always take your pet to work, but this will keep them close to your heart all day. Bones line the inside ring. Bright colors with star-burst. Made of stoneware. Why We Love It: Let others at your work know where you stand, with the love of your pets. A great gift for those that love their dog. PetRageous Designs\' mugs are designed with you and your pet in mind. Our stoneware mugs are designed to look great and function even better.