These rollers are added to our site because we listen to our customers, You all wanted these awesome things and now we have them. Thank us later when you can finally sleep in rollers!!! These are great for loose natural hair, Locs, straight hair etc. We do recommend tying your hair up with a satin bonnet or scarf. These rollers are great for heatless styles, strecthed hair …you name it sis they are great for it when used correctly!!! They come in a 40pcs…which includes 20 large rollers and 20 small rollers.