Materials: High quality Nylon badminton,pure natural material Weight: 0.21oz~0.23oz Features: Batteries last for 50~55h for single color products, 50~55h for color-changing products. Perfect for playing in the dark environment. Good durability & excellent performance. Switch inside in the head with easy on/off button. Targeted for beginners and amateurs playing in any dark environment. Package includes : 5PCS