Enough quantity and assorted colors: the package includes 12 pieces soft hair rollers, sufficient quantity, proper for you to match with different makeups and hairstyles, you can also use, replace and share them at will. Size:3.5*21CM. Material information: the inside core of these night sleep hair rollers are sponge foam, the out coverings are cloth fabric material, you can apply them during sleeping at night, then you can get beautiful and desirable curly hair in the next morning, which will save time and energy Delicate and thoughtful: these DIY sponge hair rollers adopt pillow shapes, no need to heat hair compared with other electric ones, not easy to hurt your hair, no need to go to hair salon, easy to use, you can get nice curly hairstyles comfortably and quickly How to use correctly: firstly spray some hair spray on dry hair before starting to make curling and waving steps, then choose some hair and roll the hair at the soft sponge area of the hair rollers till the hair roots, and as long as you keep tight from beginning of rolling hair, you can fold the hair rollers without any clips Get various hairstyles: you can apply these foam pillow hair curlers to get different hairstyles, with different beauty ways, for example, long hair can use for the down half part which will offer more temperaments and beauty, different direction of starting rolling hair in or out make different curly waves