EASY TO USE: We have extension gel, just apply quick build extension gel to the front and back of the fiber to fix its shape and cure with UV LED light. If the surface is not flat enough, apply another layer of gel and cure again, then shape and polish the nails. Safe & Flexible: 15ml Extension Gel + Fiberglass Sheet x 10pcs is professionally formulated with no harmful substances, safe for nails and skin, very flexible, no scratches and durable. Different Shapes of Nail Stretch Fiberglass: Make different shapes of nails with nail art extension tools. You can cut the right size according to the size of the nail without being limited to the existing shape. Soft and flexible silk fiberglass: fiberglass panels use non-woven silk fibers to replace the old panel in the form of nails. A total of 10pcs silk fiberglass nail extensions are included. Efficacy: The nail extension gel kit strengthens the nait hardness, not easy to crack, holds the drill firmly, beautiful without bleaching, lengthens real nails, strong and not easy to break, very popular in the nail industry.