Twist & Snack Stacker is a stacking container for snacks, smoothie ingredients, or powdered formula. Stackers eliminate the need for plastic bags and keep food stacked, separated, and simple. Easily pack a three-tiered snack in one step! Features: -Size (inches): 8.00 h.x 2.25 d.approx. -Small: holds 1/3 cup. -Medium: holds 3.38 ounces. -Large: holds 1/2 cup. -Lead-free. BPA-free. Phthalate-free. PVC-free. -Hand wash only.