This item is manufactured with nylon material for durable and use. The glowing design and reflective cloth will ensure runners security and adding fun for them. Very suitable for running around the night, parties, festivals. Features - Color: Red+Blue+Yellow+Green. - Material: Nylon. - Size: Approx. 35 x 4 x 0.5cm/ 13.77x1.57x0.19inch. - Practical accessory for and exerciser, ensuring their security especially at the area without light. - There are four kinds of light patterns, such as long bright, flashing, slow flashing, and off, which is very beautiful and durable. - Easy disassemble the button battery for band washing and the battery can be used for 10 hours, which battery replacement is very simple. - material, skin-friendly and comfortable to wear, fit most wrists well. You don not worry about scratch yourself or your kids. - Nicely visible while walking, riding, running, or on a motorcycle at night. Secure enough that you don’t have to worry about it flying off at higher rates of speed. - gifts for children, boys, girls and adults. Great party supplies. You can use it to celebrate Christmas, New Year, Carnival and other event party. Package list: 10 Wristband