Tefal Masterseal Fresh Food 9 Pcs Set - 0,15L - 0,2L - 2 X 0,55L - 0,55L - 1,0L -1,1L - 2,2L, Conservation N1031451. Keeps Food Up To 2 X Fresh Longer - Scientifically Proven 100 Percent Leak-Proof, Perfect Preservation And Transport Safety, 100 Percent Hygienic, Seal And Lid Are Firmly Attached To One Another. No Gaps, No Germ Formation., 100 Percent Harmless, Even Certified For Baby Food, Bpa Free, 100 Percent Dishwasher Safe , 100 Percent Microwave Safe, Open The Box And Place The Lid Diagonally Over The Body, 100 Percent Frost Resistant Up To -40°C, Space Saving And Stackable, 100 Percent Convenient, Integrated Measuring Scale. Storing In Masterseal Food Storage Container Compared To Unpacked Storage – Tests Conducted By The Institute. For Sustainable Nutrition (Isun) At The Fh Muenster - University Of Applied Sciences, 02 – 07/2020. The Duration Of Freshness Depends On The Quality And Handling Of The Food.