Freezer-to-Oven safe bakeware and storage containers are made from borosilicate glass to withstand extreme temperature changes without the risk of cracking or shattering Generous handles provide a safe and secure grip while taking dishes from the freezer to the oven, rotating them while baking, and bringing them to the table. Smart Seal Containers are leakproof to keep food fresh and liquids contained when all four tabs are locked Convenient BPA-free baking dish lids are sloshproof to prevent spilling leftovers while storing or on the go and protects top food layers from getting squashed - no matter how tall your lasagna is! Set includes Glass 9 x 13" Baking Dish with Lid, Glass 8 x 8" Baking Dish with Lid, Glass Loaf Pan, Glass Pie Plate, 1 Cup Round Smart Seal Container, two 2 Cup Round Smart Seal Containers, and 4 Cup Round Smart Seal Container Glass Baking Dishes and Smart Seal Containers are microwave-safe, dishwasher-safe, freezer-safe, BPA-free and PVC-free. The OXO Better Guarantee: If you experience an issue with your OXO product, get in touch with us for a repair or replacement. We’re grateful for the opportunity to learn from your experience, and we’ll make it better. For any help or questions please call our customer service line at 1-800-545-4411.