Shillong, July 16 : The Deputy Commissioner, Ri Bhoi District, Nongpoh has informed that party poppers commonly use at parties are generally charged with explosives which is activated by pulling a string. The charge blows some small colored plastic glittering pieces out and other such materials and makes a popping sound. The Deputy Commissioner said that the plastic glittering material and other charged chemicals, which are generally low intensity explosives often composed of red-phosphorous, potassium chlorate and potassium perchlorate are harmful to human health and environment. They get mixed with food items and may also cause severe eye trauma or other facial injuries. In view of the above, the Deputy Commissioner has banned the use of all party poppers except those which are using compressed air as the charge material and soft popper as streamers.