4 Types Nail Form Shape 24pcsshape3 and 26pcs1 shape to meet your different needs of Diy nail art Perfect Length With Scale designed with perfect length and a clear scale on the nail surface convenient for you to choose and control the length you want to do High Quality No toxic No smell No harm to your nails and makes the nail durable natural Easy to use the poly nail gelbuilder gel nail extension Suitable for professional salon use and home DIY nail art