SMS Double Wrapped 45gsm Non Woven Medical Fabric Coated With Pe Film Sms Non-Woven Our Pack SMS, SMMS and SMMMS non-woven fabric are an extraordinarily water-proof and resilient non-woven materialmade of polypropylene fabric layers.They can be used either asinner or outer wrapping for medical devices and trays andavailable in 40g regular weight, 50g heavy duty and 60gmulti-pac. SMS, SMMS and SMMMS wraps as single or double wrappedare suitable for steam, ethylene oxide