These PartyWoo black balloons are the ultimate choice for creating eye-catching party decorations. With 142 pieces in different sizes, you can easily craft a stunning balloon arch or garland for any celebration. The matte black finish gives a sophisticated look, making them ideal for themed events like Halloween, New Year, and graduation. The balloons are made of high-quality latex, ensuring they are safe for both adults and children to use. With proper inflation techniques, they can stay inflated for up to 72 hours when filled with air or 3-6 hours with helium, giving you the flexibility to choose the best option for your event.","Transform your event into a memorable experience with these versatile black balloons. They come in a pack of 18", 12", 10", and 5", allowing for creative and dynamic arrangements for any occasion. Whether you're decorating a birthday party, anniversary celebration, or wedding, these balloons add a touch of elegance and fun. Pair them with a balloon hand pump or electric pump to inflate efficiently and ensure a perfect setup. Their strong latex construction makes them reliable for use indoors or outdoors, and they are ready to impress with their striking black color.