... rollers:1) Mateial: Nylon2) Nylon Hair Roller is popular in Korea,Japan,European,USA...,.Used for hair curl. This is ... products have passed ROHS&SGS, in line with the European environmental protection standards.MaterialNylon(velcro+ plastic)Delivery time7-15 days ... 48mm,55mm,64mm,70mmCertificationSGS&ROHS, in line with the European environmental protection standards.UsageIt can be Used for hair curl ...