Good choices for gifts: within these plastic perming rods, you can diy your personalized curly hair at home and together with your families and friends, good choices for sending to your girlfriend, sister, mom or female friends as birthday or festival gifts. Heatless and durable: our hair curling rollers are made of quality plastic, nonslip and heatless, won't damage your natural hair, durable and safe to apply, not easy to break, the several holes of the rollers can achieve a better saturation, practical to design some beautiful wavy, fluffy, curly hair and more. Steps to apply: what you need to do is use the pintail comb to separate a small strand of slightly damp or dry hair, wrap it on the rods, then use the rubber band to fix it, no need heating, so it won't hurt your hair, wait for a while and you can get a charming curly hair, you can also adjust the direction when rolling your hair on the rods and you can create various styles of hair waves. Specific information: each hair perm rod is approx. 6 cm/ 2.36 inches in length and approx. 0.2 inch/ 0.5 cm in diameter, proper dimension and light weight make it easy to hold and operate, won't make you feel uncomfortable when being applied on your head. Nice combination: here are totally 48 pieces short cold wave rods and 1 piece rat tail comb in a pack, sufficient quantity and nice hairdressing tool combinations for you to diy your desired curly hairs, just enjoy the diy process.