Say goodbye to damaging hot tools and hello to healthy, bouncy hair. Kitsch's Rosewood Jumbo Satin Flexi Rods create flowing, loose curls or relaxed waves..For all hair types & texture.Vegan and cruelty-free.Comfortable to sleep in & can be worn day or night while air drying hair.Measures approx 11.75" L x 5" W x 1.25" D.Take a section of slightly damp hair from the top of your head..Place the rod at the ends & tuck them as you begin rolling downward toward your head. Keep rolling until the rod is tight against your scalp, then bend ends to snap & secure in place..Continue with the next roller, then link it through the first roller before you snap it together to help them stay secure.