From the oven to the table and from the freezer to the microwave, the award-winning LocknLock Euro glass containers are versatile and convenient to use. A wide variety of unique,stackable designs allows you to save space in your pantries, refrigerator, and freezer.The LocknLock Oven Glass Euro Range is made from heat resistant glass and have4-sided lock PP Plastic lids ensuring that the container is 100% air & liquid tight.