Package Including - 15 single spiral hanging with shark-card + 15 double spiral. Size & Material - Approx.36" long.Made of foil and durable paper stock, all card stock are printed double-sided. Already assembled, you can directly hang them from the ceiling, chandelier, tree branches in your backyard for outdoor parties, or in a doorway with the hook from the top. Perfect for your kids or young relative's birthday party, under the sea party, summer outings, ocean or pool party, shark-themed movie marathon or celebration event. You can hang from walls and the ceiling to add style to your party,and coordinate with other summer,Ocean or under the sea themed party supplies and solid colored party decorations to create a completely festive atmosphere.