Not sure of the exact size I would estimate about 15 feet x 8 feet (just not sure)Paint on gym wall. I finally took a picture of this while at my daughters Christmas program. I painted about 85% of it when I was a senior along with my future brother in law and another classmate. I did the design layout and most the painting. We were known and still are as the Prue Rockets! I love playing basketball as much as art (but after 4 knee surgeries and age - best I can do now is look at a ball)! The accounting class contracted us to do it (so I was paid - boy was I excited)....thought this was something funny to end the year on! HAPPY NEW YEAR TO YOU ALL....THANKS FOR CHECKING OUT MY WORK.