?????RYHAIR long real 80% human hair 20% synthetic hair,the hair implanted with higher density,hair length 30 inches(from forehead to tip of hair in the back). ?????Please keep the temperature of the curling iron at 248°F-266°F,curl heating for 10 seconds,slowly loosen the hair,after waiting for the hair temperature to cool,you will get perfect curls,the maximum cannot exceed 392? temperature on the hair. ?????Suitable for cosmetology students or anyone to practice braiding,styling,curling,straightening,cutting,marcel,setting updos,can be used with curling iron and straightener,it is an ideal choice for hairdressing students to practice,it comes with a free table clamp and packaged in a box,can also be mounted on the stand tripod to use.