... shape and color to choose 3.heart shaped LED promotional necklace , led necklace , flashing pendant , light up necklace , blinking necklace , promotion gift, blue led flashing ... , party, dancing,.2. Different shapes are available: Square, Rectangle, Circle, Heart, Martini Glass, Star, and Bottle Cap, 3. OEM/ODM LOGO ... N.W: 11.5KG G.W:12.5KG led button necklace