Special craft: using special craft to hold their roots together and make them become 3D 5D 7D 8D 10D etc.The root is clean without any foreign matter and won't spread easily. Save money: you can use one box easy fan lashes to make about 10 boxes 5D premade volume lashes that can save your money. Only Fadlash: we update our technology that make our volume lash extensions can withstand about 194℉. Even after 3-4 weeks, heat for a long time or take saunas, it also can hold a good curl. Best material: 100% premium black PBT Korean material makes the blossom eyelashes ultra-soft and light, no-harmless to human skins or eyes. After sale: we promise we will try our best to solve your any question in time. If you have any problem please contact me. I will solve it in 5hours. Please do not give me a bad comment. Easy Fan Volume Lashes For example, taking 5 pieces with tweezers, you can make 5D volume fans.Taking 10 pieces with tweezers, you can make 10D volume fans.Application Step:Step 1: Take off one strip eyelash, clamp 1/2 place of eyelash root.Step 2: After clamped, pull to the right, so you can tell hair number.Step 3: Push forward to the front and lift the cluster upwards,creating your own fan lash 2D-20D.Step 4: Dip little glue on the root.Product details:12 RowsMaterial: PBTColor: matte blackCurl: c/d/ddThickness:0.05/0.07/0.10mmLength: 8mm-20mmYou can choose more from FADLASH as you wanted. Also accept customized order.After-sale service:If you have any questions or problems after you received it please feel free to contact my IG: fadlash_eyelashes. Thanks!