The collapsible dog bowls are great pet travel bowls, they can be used as dog food bowls, travel dog water bowls, cat food bowls, and both for outdoor or indoor use. The size is 5.12 x 3.54 x 2.17". Durable, Reusable, and Eco-friendly, easy for storage and transportation. The Bowls include color-matching carabiner clips that can attach to belt loops, backpacks, leashes, or other locations, very handy for walking, traveling, camping, and hiking.