30 pack of Diane Twist-Flex Rods that comes in 6 of each sizes: 7/8″, 11/16″, 5/8″, 9/16″, 1/2″. Get amazing looking curls with Diane’s TW Flex curlers. Comes in various sizes and colors that will let you have much smaller curls or larger more full curls to suit whatever style you desire. These curlers are soft and won’t hurt your head and are easy to use.