... t-shirt 2.low power,no heat/radiation,long life,thin 3.fast send,good price/quality 4.CE ... : sewing or with velcro2.Twinkling effect:3~8 flashing3.Life time: very long4.Thickness:super thin, less than 1mm5 ... the people.4.Various colors and images for you.5.Specialized technicians responsible for the whole process.6.Easy ... el fashional t-shirt (CE, RoHS, 0.15-0.5 mm thick, 80-150 cd/m2, 5000-8000 hours)