
Tupperware Glass Collection Rectangular 3L BASE Cosmos Seal Mineral Blue
- All-in-One Glass Container for Prep, Bake, Serve & Store: Simplify your kitchen routine with this borosilicate glass Tupperware container –ideal for meal prep, baking, serving, reheating, and storing food. Always remove the lid before placing it in the oven.
- Easy-Press Lid for Airtight, Hassle-Free Sealing: Just press the lid and valve to create a spill-proof, airtight seal –no clips or latches. Lifts easily for quick access.
- Durable Glass for Daily Use: Safe from -13°F to 572°F, this glass container resists cracking in the oven, microwave, freezer, fridge, and dishwasher.
- Built-in Steam Vent for Mess-Free Reheating: Microwave with the lid on - steam vent helps prevent splatter and heats food evenly.
- Smart Fill Lines Prevent Overfilling: Use the max-fill guides to prevent overflow - straight line for daily meals and the wavy line for freezing liquids like soups and sauces.
- Portable & Easy to Carry at Any Angle: The 360° grip rim offers secure handling when moving from oven to table or fridge.
Original: $28.00
-65%$28.00
$9.80Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- All-in-One Glass Container for Prep, Bake, Serve & Store: Simplify your kitchen routine with this borosilicate glass Tupperware container –ideal for meal prep, baking, serving, reheating, and storing food. Always remove the lid before placing it in the oven.
- Easy-Press Lid for Airtight, Hassle-Free Sealing: Just press the lid and valve to create a spill-proof, airtight seal –no clips or latches. Lifts easily for quick access.
- Durable Glass for Daily Use: Safe from -13°F to 572°F, this glass container resists cracking in the oven, microwave, freezer, fridge, and dishwasher.
- Built-in Steam Vent for Mess-Free Reheating: Microwave with the lid on - steam vent helps prevent splatter and heats food evenly.
- Smart Fill Lines Prevent Overfilling: Use the max-fill guides to prevent overflow - straight line for daily meals and the wavy line for freezing liquids like soups and sauces.
- Portable & Easy to Carry at Any Angle: The 360° grip rim offers secure handling when moving from oven to table or fridge.





















