Our Disposable Helmet liners are made of soft knit material both plain and printed ………(single jersey, rib, pk and also fleece.) The Helmet Liners not only protect the helmet from dust and sweat but also give the user the feeling of comfort. Packing 10 pieces per poly 100 poly per carton. Assorted packing. A 20′ container contains 650 cartons that is 650,000 helmet liners. Minimum Order 50.000 helmet liners