Bondo Hair offers a long strand fiberglass reinforced filler that is perfect for tough repairs. This product contains strands of chopped fiberglass that are up to one inch long, providing extra strength for various applications. Whether you're filling large rust holes or restoring shattered fiberglass, this filler is designed to handle the most demanding tasks. It stands out because it is waterproof and delivers twice the strength of standard body fillers. This makes it an excellent choice for rebuilding missing pieces during full vehicle restoration. You can trust Bondo Hair to deliver durability and reliability, ensuring your repairs last.