Description: Premium and durable – Made of high quality keratin with sponge adhesive Save your time – Rebond existing extensions with nail shaped granule Easy to use – The U shape granule easily wraps around hair extensions Versatile – Can be used with a variety of hair colors Specification: Size: Approx. 1 x 0.5cm/0.39x 0.19inch Material: Made of quality keratin Shape: U Shape Package Includes: 50 Pieces Keratin Glue(4 Pack) Note: Please check the package contents as following.The delivery time could take some days, your patience will be highly appreciated.Any questions after receiving the package, please feel free to us.