Angry Birds Yellow Bird Adult Costume - Adult Std. Most successful mobile app of all time Yellow Bird Costume Adult One Size Fits Most Also available in Red Bird, Green King Pig, and Black Bird Complete Angry Birds costumes are available for adults, kids, and infants You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!