Satisfying snack cravings anywhere with Sistema To Go Collection Snack N' Nest Food Storage Containers. This reusable snack container set includes three different sizes that can nest together and are perfect for holding everything from fresh fruit to yogurt to pretzels. The tight screw-top lids help keep your snacks fresh until you are ready to eat. Made from 100% virgin plastic, these BPA- and phthalate-free food containers are dishwasher-safe when placed on the top rack, microwave-safe without the lids, and safe for storing in fridges and freezers.