EL T-SHIRT,EL MUSIC T-SHIRT,EL sound sensing T-SHIRT,EL light, EL panel T-shirt,EL Flash T-shirt,el sound active t-shirt Shenzhen Pengyulong Optical ... at the request of customer2) T-shirt: 100% of the pure cotton yarn, 190G 3) T-shirt color: black as the main factor, ... then red, blue, white, or the customerappoints the color 4) EL sheet and T-shirt installing ...