Approximately 13 cm in diameter (at the widest point) [Product Overview] This water cup is designed as a water dispenser for pets. Its foldable design makes it easy to carry and ideal for travel and outings. [Material and Durability] Made from TPR and ABS materials, it is highly durable and can be used for a long time. Safety is also taken into consideration. [Convenient Size] It folds compactly, so it doesn't take up much space in your bag, allowing you to give water to your pet anytime, anywhere. - Color: Mint Green - Material: TPR, ABS - Product Name: Water Cup - Use: Pet water dispenser - Feature: Foldable - Size: Compact This item is new and unopened, but has been stored at home, so please refrain from purchasing if you are sensitive about this. Thank you for looking.