LONG LASTING & REUSABLE: The balloons are crafted of durable and strong latex; banners are made of sturdy heavy duty card stock paper and can easily be reused for multiple parties., UNIQUE DESIGN: The banners and balloons are extremely easy to assemble, it would be a happy family craft to assemble with your kids and decorate the party., Our construction party supplies are guaranteed to create unforgettable memories for your child, family, and guests.,