Innobaby's Packin' SMART Twistable Storage is an All-in-One Storage Solution for Moms On-the-Go, now designed to store both liquid & dry! A must have diaper bag essential to store, dispense and organize formula, cereal, snacks, water, extra juice, pacifiers and more in one convenient unit. Put an end to a diaper bag mess or search for the items you need. This Twist-to-Seal design allows you to stack and interlock multiple containers while the quality construction makes each use as simple as can be. Each container holds 1/2 cup, 4 oz. or 5 scoops of formula to make a 10 oz. bottle. Stack as little or as many containers as needed with interchangeable lid, base and containers. Innobaby's Packin' SMART Twistable containers are dishwasher, freezer, and microwave safe. BPA-, Phthalate-, PVC-, and Lead-Free. Set includes 3 containers, 3 dispensing lids, 1 cap and 1 base.