Length n Lock Hair Stretcher: The Length-n-Lock is a device designed to preserve the length of your curls/coils while they dry, so you can enjoy an elongated look whenever you prefer. Experience haircare crafted for those who value the health and versatility of their curls/coils! Material: The Length-n-Lock features a breathable and durable polyester mesh fabric that is gentle on hair and facilitates natural airflow. The horizontal ends contain a flexible material, making it easy to wrap around sections of hair that vary in thickness. Precision hooks: A row of hooks on one vertical side are designed to seamlessly latch onto the holes in the mesh, offering adjustable tightness for a personalized fit. The ends of each unit are designed to roll up, accommodating a range of hair lengths. Hair types: The Length-n-Lock is primarily designed for individuals with type 3 and 4 (3b-4c) hair. While it can also be used on hair with looser curl/wave textures, it's important to note that the outcomes may differ. Colour:Black Material:nylon Size:13Inch Package Contents: 4 * Length and Lock Hair Stretcher Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.