Our products are unique. Browse through these t-shirts that feature the latest technology in glowing products. We have outstanding designs and many more are coming. The flashing t-shirts are short-sleeve, in black color and are 100% cotton. The light panels that flash are attached with Velcro to the shirts and have a power supply connected to them that gets hidden in a secret pocket inside the t-shirt that you can turn on and off. The flashing t-shirts use 4 AAA batteries that are easy to replace. Our sound activated flashing t-shirts keeps flashing with the strength of music and goes off when the music stops or if you switch it off manually. The build-in sensor will react to various levels of music and is widely used by DJs at discos, night clubs and parties. For best flashing effect, please go with dancing music and super bass. This is a great product for night wear. You will be safe on the streets wearing them when it's dark. If you are looking for a new shirt that stands out, we can't think of a better one than this one! We are now accepting custom orders featuring your logo or picture. Give a personalized t-shirt to a loved one or use it to advertise your business. Rest assured they will remember you forever! We also give special rates if you buy our products in bulk. If you are a wholesaler, you can send us an email for a quote. This website is updated regularly so please come back soon to see our new products. You can contact us by sending us an email at info@coolwearco.com