Crocodile Creek Horse Snack Keeper - Set of 2 No more sandwich bags! No more lost lids! This eco-friendly, reusable, one-piece snack and side-dish container makes school lunches easy and fun. Solid construction prevents crushing! Perfect for school lunches or munchies on the go. Made of polypropylene. Keepers are 3X3.5X2. Made of Polypropylene. Hand washing recommended.