Bottle is sturdy and sanitary, made of FDA-approved, food-grade polyethylene plastic that is durable yet translucent enough so you
can see the content level. Nipple is made with a special rubber formula to prolong nipple life and improve pliability. Handy
snap-on top. Bottle is 4.1 inch square by 14 inch high, holds 3 quarts. Nipple is 1 inch diameter by 4 inch long.