Check out the newest "I'm in MIAMI" Bitch"!!! Multi-colored tshirt with a removeable light up MIAMI patch on the front. T-shirt is operated by a small battery pack that is sewn into the inside of the tshirt. 4AAA batteries are included. T-shirt lights up for about 4 hours on average before batteries will need to be replaced. Washing Instructions: -Unplug battery pack from front patch -Remove "MIAMI" patch -Remove battery pack and wiring from inside of shirt -Hand wash or machine wash tshirt http://www.partyrocklife.com