The lamp beads of luminous balloons are different from those of the past, which is shown by closer power contact of new lamp beads, the maximum lowering of fraction defective, and the ligh wrapped in non-woven cloth that makes the light softer. The lamp bead of led is colorful flash light, with the luminous time of every lamp bead ranging from 8 to 24 hours, juat as the twinkling stars in the sky. Eight colors of balloons are included in a large package: red, yellow, green, white, purple, orange and pink, etc. Environmentally-friendly Balloons: Our balloons are environmentally-friendly and free from ammonium nitrate, thus more healthy than common ones.