General one-time PE apron shelf life of two years,placed more than two years disposable gloves can not continue to use,because long-term disposable apron will cause the mold full of the surface,the human body has a great threat to health,serious May cause human illness.Not only disposable PE aprons,disposable gloves,there are many one-time products have shelf life,such as disposable lunch box shelf life of about 4 months,one-time tablecloth shelf life of about 6 months,the hotel disposable toothbrush shelf life About 8 months,one-time masks longer shelf life,can reach about a year,or even a one-time comb also has a shelf life of these one-time products can not be expired,otherwise it will affect people's health.