Bird Drinker Feeder Waterer:

-Quantity: 12 Pcs automatic bird water cup.
-Color: As the picture show, yellow.
-Material: Plastic
-Size: Approx.3.94" * 1.77".
Features:
1.The poultry drinker cups​ work great for coop,quail, chicken, poultry, super easy for birds to access to clean water.
2.Easy to install and use, just attach the cup to a bottle,fits right up against a cage easily. Use a wire,strap or spring to keep the bottle from falling,hold them in place.
3.It made of plastic, very durable.

Notice:
1.Due to differences in light and pixels, please take physical design and color shall prevail
2.Size pure manual measurement with slight error, please don't mind it