Chinee is a packaging company with advanced technology and mechines,In one of the products is twisting film. We have all types of shrinkage package film(PP, SPVC) all types of shrinkage packing film; as for the thickness is all up to you.The packing material of the twist film is PVC, LDPE,HDPE and LLDPE etc.So some is pvc films,some are HDPE films and others.