These are made of soft foam making it possible to wear while sleeping.
Avoid damaging your hair with hot curling irons.5 inches (L) Weight: 12.7 Multi Colored Twist Flex Foam Hair Roller Curling Rods Rollers - 42-pack No foam How to Use: Simply wind your hair down the rods for spiral curls or around the middle for perfect waves Bend at the ends to secure hair in place Made from lightweight foam Rods are 7 inches long 7 Multi Colored Twist Flex Foam Hair Roller Curling Rods Rollers - 42-pack foam No Dimensions: 4. Rods can be used on wet dry or damp hair.