Flexible and durable: these spiral hair curlers are made of quality plastic, which is soft and flexible to stretch, no heat needed, durable and reusable for you to use for a long time Heatless curls: our no heat hair curlers adopt heatless curling system that is gentle enough to curl your hair without damaging it, suitable for all hair types, whether dry or wet hair, long or short hair, thin or thick hair Easy to use: shampoo and towel hair half-dry before curling, then thread the styling hook through the curler and hook a small section of hair near your scalp, pull it through the hair roll, take off the hook, continue the steps until all hair sections are curled, wait your hair dry totally, and remove each curler for voluminous curly hair Overnight hair curlers: if your are looking for tools to create bouncy, long-lasting curls without heat damage, then you can look at our spiral hair curlers, which allows you to curl hair while you sleep, comfortable to sleep in, and aside from saving your hair from heat damage they also save you time in the morning Specifications: material: PET+PVC color: random lengh: 30/45cm How to use: >>Control your hair, you want to curl humidity (such as the 7-8 layer) >>Divide your hair into several parts according the style you want >>Put the hair curler pass through the roller >>Hook your hair >>Pull your hair out through the roller with the hook >>Remove the hair curler >>Dry it with wind alternatively for at least 15 minutes >>Tear down the roller and stereotypes Packing include: 1*Curling stick/30CM-5pcs/30CM-10pcs/30CM-20pcs (send a curling stick + manual)/30CM-30pcs (send a curling stick + manual)/45CM-5pcs/45CM-10pcs/45CM-20pcs (send a curling iron + manual)/45CM-30pcs (send a curling iron + manual) Kindly Tip: 1. Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item. 2. Item Measure by hand, it could be 1-3cm different, your kind understanding will be much appreciated.