Screw-on base combines with the Little Giant 1-Quart Screw-On Feeder/Waterer Jar (sold separately) to make a gravity-feed waterer for baby chicks and small birds. 6 inch diameter by 1.5 inch high. Made of heavy-duty polystyrene. Available in Yellow, Purple, Red, and Green.
 
*Screw-On 1 Quart Jar SOLD SEPARATELY