Are you and your energetic pup always on the go? Then the convenience of Travel Cups by Popware is perfect for you! Collapsible and expandable. Dishwasher safe. Quick-release clip attaches to leashes, pet collars, belt-loops, back-packs and more! Why We Love It: This Cesar Millan "Dog Whisperer" collection makes meal times convenient no matter where you and your pets travel! Pop out for dinner; pop in to store! These convenient bowls collapse to less than .5" thick and can be clipped on almost anything! They're great for traveling, camping, walks, and pet sporting events. Sizing Information: Small: 5.25" x 4.5" x .5" Holds 1 cup. Large: 6.75" x 5.875" x .625" Holds 2 cups.