Length n Lock Hair Stretcher: Length-n-Lock is designed to preserve the length of your curls/coils while they dry, so you can enjoy an elongated look whenever you want. Experience hair care created for those who value the health and versatility of their curls/coils! Material: 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 hair sections that vary in thickness. Precision Hooks: A row of hooks on one vertical side is designed to seamlessly attach to the holes in the mesh, providing adjustable tightness for a personalized fit. The ends of each unit are designed to roll up, accommodating a range of hair lengths. Hair Types: Length-n-Lock is primarily designed for individuals with hair types 3 and 4 (3b-4c). While it can also be used on hair with looser curl/wave textures, it's important to note that results may vary. Color: Black Material: nylon Size: 7 inches Package Contents: 2 * 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 to differ slightly from the real thing. The allowable measurement error is +/- 1-3 cm.