Peekaboo Snack Container can be used as storage for snacks, milk formula and light food on the go, perfect companion inside diaper bags as it is not bulky. Great alternative to plastic and glass containers. Lids snap on securely, fit perfectly, and are high suctioned. Silicone Material can resist high temperature, safe to use in freezer, microwave, and dishwasher. It is made from BPA free, Phthalate Free, and 100% Food Grade Silicone.