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. The decoration kit is extremely easy to assemble, it would be a fun family activity to assemble with your kids and decorate the party. , Package Includes: 1 pc Mermaid Happy Birthday Banner, 15pcs Mermaid hanging Swirls, 6pcs paper fans, 20pcs 12 inch latex balloon, 2 pcs star foil balloons, 2 pcs mermaid foil balloons, 2pcs foil metallic curtains,1 pc birthday sash, 1 roll of ribbon, 1 roll of glue dots