MASTERSEAL GLASS FOOD CONSERVATION The all-in-1 food container—for preparing, serving, storing, reheating and taking on the go
Discover a food storage solution that's as versatile as it is practical. Crafted from high-quality borosilicate glass, this container features a 100% leak-proof design that ensures total peace of mind. What's more, it's the perfect all-in-1 solution, from cooking in the oven, to serving, storing, transporting and reheating!

Reference: K3010512

Easy prep and serving, effortless storage and safe transport

Masterseal Glass Fresh Box food storage containers are the perfect all-in-1 solution: not only are they 100% oven-safe, they're also suitable for storing in the fridge or freezer, cooking and heating up in the microwave. Crafted from high-quality borosilicate glass, their 100% leak-proof design keeps food fresh for longer and ensures safe and easy transport. Plus their attractive glass design can be directly used for serving at the table.
  • The multifunction container

    Cook (without lid), serve, store and transport all in one. High-quality borosilicate glass and a superior freshness-seal take this container from oven to table to fridge, freezer or microwave with ease.

  • Microwave-safe

    The microwave-safe design makes heating and reheating a breeze.

  • Optimal food prep

    Crafted from 100% oven-safe borosilicate glass (without lid), for extreme temperature resistance and optimal protection against discoloration and odors.

  • Safe transport

    100% leak-proof thanks to sealing technology: higher sealing pressure ensures optimum protection.

  • Outstanding hygiene

    The firmly attached Tefal Freshness seal and lid ensure no gaps, meaning no germ formation and more lasting freshness.

  • 30-year guarantee

    German lid technology with outstanding craftsmanship, featuring a 30-year guarantee.

  • BPA-free

    Absolutely harmless: 100% BPA-free, as well as free of other harmful substances.

  • 100% Oven Proof

    Due to the high quality borosilicate glass material of the storage box, you can prepare your meals in it upto 420 C

  • 100% Leak Proof

    Due to the sealing technology that ensures optimum protection from leakage making trasportation fully safe and easier.


  • 100% Hygenic

    Its unique German Lid Technology of Freshness seal ensures that the seal is firmly attached to the lid leaving no gaps for germ formation.

  • 30 years guarantee

    Due to the high borosilicate glass quality that can withstand sudden temperature changes and high temperatures, along with the unique German lid technolody used in these storage boxes- we claim 30 years guarantee.






  • 100% BPA free  

    All storage boxes are certified BPA free and safe for storing baby food.

  • 100% Dishwasher Safe  

    These boxes are very easy to clean as they are fully dishwasher safe.

Cold Retention NOT RELEVANT  
Heat Retention NOT RELEVANT  
Freezer safe    
Watertight No  
Microwave Compatibility    
Dishwasher safe    
Number of independent parts 2  
Your appliance contains valuable materials which can be recovered or recycled. Leave it at a local civic waste collection point.
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Find more detailed information in the Guarantee section of this website.