Please use hair straightener / curler under 400 Celsius degree * Do It Yourself-Can Be Cut, Curled, Blow Dried And Straightened-Easy To Wash-Lasts For Years With Proper Care * The Highest Quality,100% Virgin Remy Human Hair; Our Own Factory * Ironing Available, Dyeing Available! * Delivery:1-3 weeks to USA ；2-4 weeks to the rest of the world!