You'll get a round of applause when you give these hand shaped plastic clappers with LED light to your customers! They'll love to make some noise and show support of a brand they love. Just give these away at a party or other fun event. They're made of three pieces of plastic and sound off by banging together. And it size is L11.0 x W5.12 . Add your logo via silkscreen and make this one of the most successful parts of your next promotion!