Cov khoom no yog tsim los ntawm PET / PE. Hauv qab tuaj yeem sawv ntawm nws tus kheej, ua rau lub hnab sawv ntsug. Zipper foob, reusable. Cov khoom nruab nrab ntawm lub hnab yog polyester aluminized zaj duab xis, uas muaj tus nqi pheej yig, zoo nkauj tsos thiab kev ua haujlwm zoo.