Product Features: The birthday party kit is made of aluminum foil, which is safe, non-toxic, and reusable. This decorative balloon is perfect for birthday parties, birthday decorations, parties, enchanting themed parties, gifts, etc. Adults and children will love these birthday decorations. Product Specifications: Balloon Size: 18 inches Category: Party Decorations Material: Aluminum Foil Package Includes: 8 Metallic Balloons Enchant Note: 1. Do not overinflate to avoid bursting. 2. Keep away from sharp objects, fire sources, etc. 3. Due to the display, the image may be slightly different from the actual color. Please refer to the actual product. 4. Due to manual measurement, there may be an error of 1-2 cm.