... 's 4. Collar: V neck or round neck 5. Sleeve: Short sleeve and long sleeve 6. Color: White, pink, black, any other customized colors ... with higher brightness than others 2. Our EL panels have long life span, while other suppliers EL panels only light for ... order placed)Max. logo colors Any ColorMaterial100% Cotton,140~180gsm Long Sleeve EL lighting T-shirts/sound activated t-shirts