The black balloons is suitable for making various shapes of balloon arches or garlands, used for decorating children's birthday parties, wedding celebrations, outdoor parties, Graduation, anniversary celebrations, etc. Package Includes: High-grade thicken latex black balloons 12 inches 100 pcs + 3 ribbons (33 ft), Material: These black balloons are made of high-quality thickened natural latex, safe and non-toxic. It can be filled with air or helium and remain inflated for a long time. It is resistant to wear and tear and not easily broken. Method of application: Inflate balloons with helium or air, with an optimal inflation size of 12 inches. They are used for indoor and outdoor party decorations, Please don't overfill the balloons and also avoid overheating, sharp objects and severe friction. Service: We strive to provide customers with the best products. If you have any questions about the product, please contact us promptly, and we will provide feedback in a timely manner.