Features: Reliable in quality: Our heatless curl ribbon use different materials on different part to ensure its softness and durability, its outside part is covered with silk cloth, while the inside part adopts foam curling irons, which work effectively to curl hair without hurting your hair, reliable for long-term use. Adjustable design: Our sponge coil hair iron has a button design, which can be adjusted according to your head circumference, so that you can find the most comfortable way to easily have fluffy and beautiful curly hair. Practical hair styling tool: This sleeping curling rope can be worn while sleeping, and no heat is needed for curling, convenient to use whether you are at home or on business trips. When you wake up from a sweet dream the next morning, you will get a relaxed and curly hair. Specifications: Material: silk cloth and foam Size: 30 cm/ 11.81 inches in length Package includes: 1 x Heatless curl ribbon Warm note: Please allow a little error on the size due to manual measurement. Keep it away from little kids.