Cov khau npog pov tseg yog tsim los ntawm ntau yam khoom siv, suav nrog:
- Polyethylene: cov khoom siv yas, feem ntau siv los ua cov hnab ntim khoom noj thiab lwm yam ntim khoom
- Polypropylene: cov khoom siv yas, feem ntau siv los ua cov tais diav, ntim khoom noj thiab hnav khaub ncaws
- Nonwoven npuag: ib lub teeb yuag thiab breathable ntaub
- Roj Hmab: cov khoom siv tau yooj yim, feem ntau siv los ua cov khau tsis muaj dej
- Aluminized ntaub: cov khoom siv hluav taws xob kub, feem ntau siv los ntawm cov neeg ua haujlwm hauv kev lag luam uas muaj cua sov
- Silicone: cov khoom siv tiv thaiv tshav kub, feem ntau siv rau cov khau sab nraum zoov
- Tawv: cov khoom siv ruaj khov, feem ntau siv rau vuam thiab lwm yam kev ua haujlwm siab