Black Themed Party- Black balloons can be used in black themed party or mix with any color to create a perfect black themed wedding, graduations party, birthday party, and any themed party inside or outside, which makes your party more mysterious and special. Premium Quality- Black balloons are made from premium Eco-friendly latex material which is durable and long-lasting quality with no smell, safe to use around children. Set Includes- Each sets contains 100pcs black party balloons of 12 inches and 1pcs black ribbon (33 feet total).The right amount quantity and most suitable color for each party decoration. Warm Tips- Black Party Balloons can be inflated with air or helium. The best floating time for helium balloons is no longer than 24 hours. Matching with other balloons is also a good idea for your balloon party decoration. We Are Always Ready to Help- We are very confident with the quality of our Black balloons for we used grade A quality materials. Its production process is being monitored to secure its quality. If you have any problems or unsatisfied, please email us first. We are always here for you in 24 hours.