Thank you for coming to our shop, I hope it is to your satisfaction Item Name: Balloons Material: Aluminum Film, Aluminum Foil Features: Wear Resistant, Crown shape, Explosion-proof Size Details: Length: 30cm Specifications: Designed to be inflatable, leak-proof, and explosion-proof, these crown balloons are reusable, safe and reliable. You can use this balloon ornament in many types of occasions such as birthday party, various theme parties, baby shower, bridal shower, wedding, BBQ, graduation, Valentine's Day, Halloween and Christmas, etc. It is made of high-quality aluminum film and aluminum foil material. Length of these balloons are about 30cm. The product is suitable for birthday party, various theme parties, baby shower, bridal shower, wedding, BBQ, graduation, Valentine's Day, Halloween and Christmas, etc. Kindly Remind: Due to light and display, there may be slight differences between the picture and the actual color of the product. The color is subject to the goods received. In addition, please allow slight size difference due to manual measurement. High quality, assured choice is guaranteed Package Includes: 10 x Balloons