Where you can use the collapsible travel pet bowl? - Indoor, as a normal pet bowl for food and water - outdoor, for traveling, hiking, camping, walking, adventure, back packing. Easy to carry on backpacking, dog collar, pocket, purse, dog training leash, dog crate etc. How to use it ? - Simply stretch the collapsible pets bowl to use it, or fold it away after use. When your dog water bowl is totally stretched, the height will be 2.1 inches, collapsed can be reach to 0.5 inch. Product feature: 1. Every pet water bowl comes with a carabiner to secure on belt, bag, or pet lead, perfect for travel dog / cat water / food bowl. 2.essential travel items, travel dog bowl designed for travel specially, it can be used to hold water, dog food, snacks and so on. You can also use them indoor. 3. Made of high quality soft plastic material, the dog or cat portable travel bowls are health and safety to use for the pets 4. Suitable for pet--each bowl holds up to 12 fluid ounces of water or 1.5 cups of pet food, suitable for small, medium dogs and cats to store water and food when going outside. 5. The foldable bowls are easy to clean and dishwasher safe 6.there are 2 bright colors in 1 set, you can use them for different pets or 1 for food and the other for water. Package included: -2 x collapsible pet travel bowls please feel free to contact us if you have any questions.thank you!