Description360 degree rolling ball water design, water leakage proof rubber ring no drop no leakage, wear resistance corrosion saving time and effort. The shell is made of ABS engineering plastic, which is resistant to wear and toughness. Suitable for large-scale farms, cost-effective.Features- Color: Yellow.- Material: Plastic.- Size: Approx. 3.5 x 1.1 x 1.1cm (LWH).- 360 degree rolling ball water design, water leakage proof rubber ring no drop no leakage, wear resistance corrosion saving time and effort.- The shell is made of ABS engineering plastic, which is resistant to wear and toughness.- Suitable for large-scale farms, cost-effective.- Simple design, reliable components, beautiful appearance.- Autodrinker provide birds clean water and not easy to break.