The MARUKAN Water Bottle Flat 120 WBF-120 is a small animal water bottle with a simple, refined form that fits in a cage. It features a flat, smart, space-saving design that doesn't take up much room. Product Details: Item: Details Product Name: Water Bottle Flat 120 Manufacturer Model Number: WBF-120 Capacity: 120ml (S size) Target Animals: Small animals such as squirrels and hamsters Features: Easy to attach and detach with one-touch joint Material: Environmentally friendly PET resin It will be shipped in a state where the air has been removed from the bag to make it smaller.