Wasting your money and time on easy-to-break & expensive acrylic nail extension? Then here is our Fiber Builder Nail Extension Silk Fiberglass the natural, long-lasting nail extension. This can also be shaped and resizes according to your preference. The Fiber Builder Nail Extension Silk Fiberglass is not just your ordinary nail extension it's lightweight and durable easy to apply and use. Its non-toxic formula is safe for the skin and nail beds and can also help strengthen brittle nails for a healthier look.