... cotton,light and thin,comfortable feeling3. Size: XS,S,M,L,XL,XXL,XXXL.XXXXL(Standard European size ... Sensitivity Dial4.The original sound-activated shirt, the T-Qualiser T-Shirt is the coolest wearable gadget ... the latest in digital display.5.The ultimate party accessory, the T-Qualiser T-shirt uses a wafer ... apply pressure to the flash panel.5.Children's size are available Washing details:1.Dry Clean ...