This is Mickey Mouse Bubbles balloon. The size is approximately 22 inch. Balloon weight and balloon string are not included. Just need helium to inflate the balloon. Balloon will arrive uninflated. There is 1 balloon in a pack.WARNING: CHOKING HAZARD - Children under 9 years old can choke or suffocate on uninflated or broken balloons. Adult supervision is required. Keep uninflated balloons from children. Discard broken balloons at once.