Premium Quality Balloons. You will get 35pcs 5inch balloons+ 30pcs 12inch balloons+30pcs 10 inch balloons +5pcs 18 inch balloons - black color. These black balloons are durable and synthetic. Because of natural latex added, these birthday balloons are non-toxic, long-lasting, and not easy to pop. Each party balloon is 2.8g in weight, which is thick enough to be inflated. You can use them on your happy birthday decorations to create a more cozy atmosphere. Easy to Use. You can fill the black balloons with helium and air. They can also be filled with water to bring more fun. To prevent the black balloons from poppingthe max diameter of the black balloon is 12 inches when fully inflateddon't overfill. Party Balloons filled with helium float into the air, adding agility to your party. The latex balloon can keep its shape for 2 days after being filled with air and 6-8 hours after being served with helium. Widely Use. Black balloons are very versatile. There are several classic color schemes for reference. Black balloons + white balloons+blue balloons are suitable for baby shower decorations for boy and birthday decoration. Gold balloons + black balloons + rose gold balloons can go for bachelorette party decorations and birthday parties. All in all, You can match up more beautiful balloon decorations according to your preferences. Perfect for Indoor or Outdoor Activities. Almost all parties need balloons for decoration. Such as baby shower decorations, bridal shower decor, graduation decorations, weddings, gender reveal balloons, anniversaries, engagement celebrations, opening ceremonies, etc. You also need party balloons for festivals like Valentine's Day, Father's Day, Mother's Day, New Years Day, Mexican Fiesta Cinco De Mayo, Children's Day, Thanksgiving Day. Safety and Warning. Keep away from fire, smoking, high-temperature area when using balloons. Children under 8 years should be under adult supervision when using balloons. DON'T OVER INFLATE. Make sure your balloons are not a "pear" shape. If your balloon starts to look like a "pear," it means that you have overinflated it. This will make balloons pop easily. Avoid strong sunlight for a long time.