Package contents: you will get 2 pieces hair rollers, they are good alternative helpers instead of using heated styling irons and will create healthy-looking curls and waves without damaging your hair; Fit for most ages, most hair types from thin straight hair to thick coil hair, wigs and weaves also can create defined smooth curls No harm to hair: the curlers are a nice set compared to heat based styling products, will keep your hair glossy, help you to make beautiful and natural hair curls easily and quickly, these hair curlers will not cause damage to your hair, suitable for damaged, weak or fragile hair, also can work well with hair extensions and wigs Good performances: use on the hair for 5 minutes, let the hair produce beautiful curls and waves, do not harm the hair, suitable for most types of hair, from natural curly to straight hair, soft and light, let you experience the joy of curls during a comfortable sleep; Please see the picture for detailed explanation before use Easy to operate: when the hair is wet, take a 1 inch section of hair and curl it from bottom to top, and leave it on for 15-20 minutes until it is completely dry, blow dry naturally or with a hair dryer, then remove the curler, press down and open the top, and gently pull the curler; Please wet your hair with water before use Widely applicable: warm tip, the button part can be stretched, our heatless curler is a good styling tool for women and girls to DIY their hair, no need the help of others, simply fix the hair and the curls will last for a few days, save time and effort, and will give your hair a shiny feel, make your whole look very attractive