Sturdy and sanitary, made of FDA compliant, food-grade polyethylene plastic that is durable yet translucent enough so you can see the content level. Handy snap-on top for use with the Little Giant Snap-On Calf Nipple (Item No. 98CN, sold separately).

2 Quart - 4.25 inch square by 10 inch high, holds 2 quarts.
3 Quart - 4.1 inch square by 14 inch high, holds 3 quarts.