Snapware 18pc Glasslock Tempered Glass Storage Containers 18piece Set with Lids Snapware tempered glass storage containers. All-Natural glass vessels with airtight lids Ideal for serving and storing*Safe for microwave cooking Dishwasher safe, Freezer/Fridge safe, Microwave Safe Secure, Easy Open and Close Latches. Microwavable-Safe Tempered Glass 18 piece set includes lids