This double-sided strong hair gel tape is made of high-quality PU material, featuring excellent waterproof performance and being skin-friendly on both sides. Each pack contains 40 strips (9x2 cm / 3.6x0.8 inches), providing enough quantity to easily meet daily use and replacement needs. The unique curved design fits the contours of the head, requiring no additional trimming, making it more convenient to use. Simply clean the area before wearing; depending on environmental conditions and body oils, the adhesive can last 3-5 weeks. Suitable for wigs, lace closures, men's hairpieces, hair extensions, and other scenarios, it is a practical styling helper for both men and women.