The MASTERSEAL TO GO keeps food fresh longer thanks to the freshness seal It is also 100 % leak-proof, hygienic and safe 100% mobile : with pratical inserts and additional functions, they adapt to every kind of use Compatible microwave, freezer and dishwasher safe Perfect for transporting salads With separate inserts for toppings and dressing Longer-lasting freshness, 100% leak-proof, 100% hygienic: no gaps – no germs 100% safe: even certified for baby food BPA-free Microwave safe Freezer safe Dishwasher safe