Walker Ultra Hold gives a super strong bond---up to 4 weeks! It's waterproof and shine free. Anyone who wants a long-lasting bond will LOVE the strength and security of this product. It is made from a waterproof, "non-yellowing" formula and comes with a brush-on applicator. 0.5oz travel size glass bottle. For use with extended wear bonding only. Works great for either lace or poly base attachment.