Wean Green Snack Cubes LeakproofTempered Glass Food 7 Ounce Containers, Blueberry, Set of 4 Wean Snack Cubes will quickly become one of your kitchen essentials Store left overs safely and easily Glass will not stain Go from freezer to heat source and back again Made from 100% recycled glass Freezer, Dishwasher and Microwave Safe