Welcome to the store! Function: Heat shield protection is used for the insulation of wigs and human hair in hot melt adhesive hair extensions to prevent hair from being damaged by excessive temperature. Clear PVC: The hair extension insulator uses clear PVC for easy viewing of hair, suitable for professional hair salons or daily hair extensions. Heat Shield: The heat shield provides a barrier between the scalp and the heat wand and glue during the hair extension process. Single Hole: A single-hole application that allows designers to keep track of the last and subsequent positions. 100 pcs: 100 pack templates with a single hole, which can be replaced and used to meet your different needs. Item Type: Hair Heat Protection Material: PVC 100 x Hair Heat Protection Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!