HOW TO USE Wash your hair and get it to 75 to 80 percent dry. Depending on the length of your hair and the curls size you want, twine proper amount of hair of your hair on the roller, reverse the curler and fix it by folding the leftofver part. ( for longer hair can 2 rollers use together as 1 hair roller. ) Different operation make out different beauty hair wave, You can follow the curl type you want or refer to other curl tutorials. Your hair will be fixed on curler without clips and fasten the strap by both ends of the curlers., go to sleep or wait for up to 1 hour. Wake up with natural curls the next day, remove the rollers carefully and comb your hair with your hand, or spray a little hairspray to make the curling better positioning Feature 1.Protect your hair and sleep: Our no heat curlers fits for hair of all types and textures, no heat and electricity, no damage to your hair at all. The hair curler with the soft memory foam core, you can get the good sleeping. 2.Easy to use: Wash your hair and keep it 75 to 80 percent dry, twine proper amount of hair on the hair rollers, different operation make out different beauty hair wave. You can create satisfying and attractive hair styling when you sleep, save your time. Reusable: Light weight hair curlers is very suitable for travel or holiday, 3.keep it in the bag and you can reuse it countless times and get the curls you want anytime, anywhere. 4.Hair styling set: Each set including 12pcs hair curlers, without extra waste. Enough pieces hair curlers to help your hair finish the curly hair styling just in one night, thats curlers you can sleep in, create your own glamour curls 5.Size12cm length Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 502 hours Hope you have a pleasant shopping experience!