[Balloon Size]: The uninflated length is about 4.7 inches, and the inflated diameter is about 11-13 inches. You can fill it with air or helium, which floats the balloon. [HIGH QUALITY MATERIAL]: These latex black balloons are made of high quality latex, the printing is very bright and not easy to burst. Patterns with Halloween atmosphere are skulls, bats, pumpkins, grimace, bloody handprints and witch balloons to make the balloons more unique and attractive. [UNIQUE DESIGN]: The red Halloween theme pattern is very prominent in the festive features, this scary carnival black balloon decoration makes your Halloween decoration more attractive for kids. This perfect Halloween themed balloon will give you the full Halloween party vibe [Multiple Uses]: These Black Skull Bat Pumpkin Ghost Face Blood Witch Print Ghost Zombie Halloween Balloons can be used to decorate outdoor, indoor, patio or decorating bar and halloween party place. They are also easy to install and remove, and can also be easily folded for storage. Color: Black/Red Packing list: 70pcs