EL t-shirt:100% cotton; Yarn 21s; Fabric weight: 180g/sqm . short sleeve with S,M,L,XL,XXL,XXXL CE and ROHS approved Product nameel glow t-shirt,el flashing t-shirts,Equalizer EL T-shirt,EL Music Activated Flash T-Shirt,Sound Activated t-shirt,el music t-shirt,el clothing,el music flashing t-shirt,el sheet for t-shirt,el panel for t-shirt, magic el t-shirt,el animated panel for t-shirt,el ...