Features: Made of premium materials, eco-friendly, safe and durable to use. The stainless steel ball nipple is anti-rust and provides smooth water. Automatically feed your pet, saving water without leakage. Directly drink water from the ball nipple, clean and healthy. Suitable for parrot, bird, hamster, rabbit, chinchilla, cat and other small animal. Specification: Condition: Material: Plastic + Stainless Steel Color: Transparent + Silver Optional Size: S: 5*21cm/1.97*8.27in, M: 5.5*24cm/2.17*9.45in Capacity: 180mL(S), 350mL(L) Weight: approx. 60g~68g/2.12oz~2.4oz Package List: 1 x Automatic Pet Feeder Note: 1. Please allow 1-3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos displayed in photos may be showing slightly different from the real object, please take the real one as standard. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.