Features: This light up ball glows in the dark and features, color-changing LED lights on the inside with 4 different modes. Each glowing ball is made with PVC plastic and can be played with just like a normal beach ball! Great for kid and adult play. This LED light up beach ball features an on/off power and non-removable batteries that can last 100 hours depending on usage. LED glowing balls are great for pool parties, nights at the beach, birthday parties, wedding receptions, or glow in the dark parties. A great substitute for Light up / LED balloons! Specifications: Materials: PVC Diameter: 40cm Working time: about 20 hours Power by: 2 * CR2032 battery (included) Package Included: 1 Set* LED Ball Toy Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.