Product details of Russian Volume 10D 0.07mm C Curl 12mm Eyelash Extensions: - Specifications: Russian Volume 10D, Curl: C, thickness 0.07mm, length: 12mm*12 rows. - Premium Material: superior quality Korean silk fiber. Soft, natural, matte, lightweight, waterproof, and stable curl. - Specially treated curl: Pre-made volume lash extensions have been heated twice during manufacturing to have the flexibility resembling a natural lash, maintaining the perfect curl and not easily losing its curl. - Production environment: Pre-made lashes were manufactured in a sterile and dust-free environment. It is hypoallergenic and does not irritate your client's eyes. - The pre-made lash fan, symmetrical and evenly spaced, looks even more beautiful than handmade lash extensions. You and your clients will immediately fall in love with our fluffy lashes!