Sibel has been supplying the hair and beauty industry for over 60 years, with professional products at low prices. Add volume and lift with these Sibel Velcro Rollers Red 13mm x 12. The lightweight rollers can be used on wet or dry hair and do not require pins or clips because the material will self-grip to the hair. No heat required. They are 13mm in circumference and come in a pack of 12.