304 stainless steel refrigerator fresh-keeping refrigerated box dumpling box multi-function seal

Micro vacuum seal to prevent leakage

The fresh-keeping cover has a vent hole design to facilitate exhaust and sealing

SUS304

Don’t make do with materials

Food-grade stainless steel material, safer to contact with food

Authentic material testing for greater peace of mind

304 stainless steel after testing with stainless steel testing fluid