PROLASH Premade Fans Eyelash Extensions : Short Stem in 3D 4D 5D 6D 7D 8D, with C / D curl in 0.07 / 0.10. We have 9 mm to 20 mm single length and 9-15 mixed length tray. If you need 4D single length, please choose ASIN: B08C9RJRRS. | High-quality of Materials : Black PTB makes the eyelash extensions can stand high temperatures. These lashes extension are very soft, light-weight and good quality. Volume lash extensions would like your own lashes and they are vegan. | Special Techniques for Roots : PRO pre made volume eyelash extensions use an unique double-heated bonding method to ensure the eyelash extension would not fall apart when take the fans off strip. The root of fan lash extensions are really tight and thin to be unnoticeable. | Stable Curl : PROLASH Premade volume lash extensions have stable curl which could handle different conditions. The flexibility of pre made eye lash extension fans are like natural lashes. They could hold the perfect curl about 12 month and would not lose their curl easily. | Guarantee : We offer a lifetime money back guarantee with every customer! If you are not completely satisfied with our eyelashes extension, please contact us by FB/IG : ProLashBeauty. We will refund you with no exception.