GlowCity light up football is a standard size 6 with one hi-bright led light that works when being bounced or kicked. When you receive your football it will come deflated, So you will need a ball pump with A needle to fill the ball with air. Our Light up footballs were featured on Popular you tube channel and have gotten lots of buzz over the years. our light up balls make for cool gifts for teenagers of all ages. your teen will love playing with this and makes for great outside activities for teens to do at night. The GlowCity LED Light Up Football is tough rugged and is great to play with after dark. Uses an Impact Activated LED light inside the ball, that completely illuminates the entire football. As soon as you tap the football, the Smart LED light turns on, and remains on for about 60 seconds until hit again, which really helps save battery life. This is much brighter compared to glow in the dark footballs and is easily seen from across the field! Feel free to kick this led football as far as you can, it is well made, and durable, so it can withstand some good play. Also, our LED is protected by a rubber grommet that is designed to keep water out, making our ball completely water resistant! You will have so much fun seeing this glowing football fly through the air. This ball is an absolute blast to play with at night, something the whole family can enjoy. Batteries can easily be replaced, and batteries are included with purchase. Use this LED football over and over again. Night sports will never be the same!