Sponge Roller, Twisting Sponge For Afro Curls And Dreadlocks... Curly sponge dual-use oval perforated wave roll tools magic hair curlers washable hair curlers rollers fashion styling tools. These dual sided hair sponge with different size of holes are suitable for coiled and curled hair, bring a special experience that you can have your own fashion hair style,more than one style, at anywhere anytime.