Aside from the obvious fact that JoyFul by JoyJolt glass food storage containers are healthier for you and your food… what you may not realize is the set contains a variety of shapes and sizes to fit your purpose, and you can also go from freezer to oven without any breakage!      • 12   Borosilicate Glass Containers with Airtight Lids.       • Lead-Free Borosilicate Glass       • Freezer Safe, Fridge Safe, (Container+Lid)       • Dishwasher Safe, Microwave Safe, Oven Safe (*Container Only)       • Gift boxed with secure padding       • 1-year Limited Manufacturer's Warranty