C-Curl Lashes Variety Pack. ndividual semi-permanent black lashes in a tray. C-Curl is slightly curlier than the traditional J-curl creating a more dramatic effect. Soft, faux mink hairs mimic natural lashes - Lashes feel comfortable and light weight Thicker diameter - 0.20mm Sizes in pack - 9mm, 11mm, 13mm & 15mm