OverviewPrevious page Next page Material: Made of high quality sturdy plastic Color: Orange + Purple + Gray + Blue +Yellow perm rod set cold wave rods Such a pretty perm rod set on natural hair: This cold wave rod is designed with a cover and a rubber band, which can get clung to your hair easily without any support of pins, what's more, it does not require heating, allowing you to curl your hair in a simple and natural way The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Can the rubber band still be used normally after falling off? YES! Dear The rubber band on the perm rod is a detachable design, so you can reinstall easily if it falls off, Watch our video introduction The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. DETAIL SHOW: surface particle design, non-slip openable wand cap with rubber band to fix hair size : 8.3 x 2.2cm / 3.23 x 0.86" in length x diameter proper size that easy to use and store,Total of 40pcs. Can be used to style a full head. How to use the hair perm rods: 1. Remove button from the tip of the rod to release rubber band. 2. Wind a section of treated hair firmly around the rod. 3. Pull rubber band over hair and reinsert button in the tip of the rod to secure. 4. When treatment is completed, remove buttons to release hair from the rod.