Material Pp Silicon Feature ] 1 Airtight Lockage All Passed The Leakage Tests By Authoritative Local And International Institutes 4Side Of Locking System Of Lock And Lock Makes It Possible To Be Airtight Due To Equal Pressure To All 4 Sides Locks Tightly With Hollowcenter Silicone Strong Airtight Lock With Hollowcenter Silicone Airtight Seal With Great Elasticity Power Locks Tightly With Hollowcenter Silicon 2 Durability It Has Passed The Kemtis Bending Test The Container And The Wing Were Fixed To The Bending Test Machine And Bent 3000000 Times 80 Degrees Left To Right If The Container Were To Be Used 10 Times A Day It Could Be Used For 821 Years(Semipermanently) Durability Of Lock And Lock Is Safe For Change Of Temperature From 4F To 210F It Makes Lock And Lock Available For Use In The Microwave Freezer And Dishwasher 3 Healthful Living Used Superior Raw Material With Durability And Heatresistant Ability Which Is Friendly To The Human Body Passed The Strict Hygiene And Safety Tests Of Us Fda And German Sgs 4 Space Saving Design Stacking System Aims To Help Space Saving The Design Of The Containers Enables Excellent Space Saving In The Refrigerator Freezer Cupboard And Drawers
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