Features: 100% brand new and high quality Large Capacity: S is about 220ml/7.4oz water capacity; L is about 250ml/8.5oz capacity. Safe Material: Made of PVC and acrylic materials, strong and durable. Easy to Install: Easily attaches to wire cages, and it's quick to remove. Easy to Use: You can easily snap the water bottle on or off for cleaning and refilling water. No Mess in Cage: The automatic water feeder for birds keeps water fresh and clean from debris and won't be knocked over like other water dishes. Package Includes: 1 x Automatic Water Feeder for Birds (S/L) Specifications: Material: Acrylic, PVC Color: White+Transparent Size (Approx.): S-4.6x22.5cm/1.81x8.86in L-4.6x30cm/1.81x11.81in Capacity (Approx.): S-220ml/7.4oz L-250ml/8.5oz Weight (Approx.): S-255g L-360g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!