... ,steady 4.over 18 months shelf life MTCRT-60PS glitter set:1.different to ordinary, have better cost performance.2.excellent ... ,harmless.5. mainly used for party supplies,student pack,DIY set,etc.6, non-flammable and explosive materials,easy to transport ... risk.7, glitter composition are PET.8, MTCRT-60PS glitter set have passed European-CE and American ASTM-4236 standard.