DURABLE & LONG-LASTING: Made of durable high-quality latex, each colorful balloon is sturdy and durable, you don't need to worry about them breaking or leaking when inflated., BIRTHDAY PATTERN: Each balloon is printed with stars, crown, gift, 30 and happy birthday., EASY TO USE: Suitable for filling with air and helium. Each balloon is 12 inches in size. The rose gold 16th birthday party balloons can be filled with air through a pump or inflated with a helium tank, great for both indoor and outdoor decoration., EASY TO DECOR: Create a balloon garland with these big "wow" factor, throw a wonderful photo backdrop or make a balloon table centerpiece.Perfect for 40th Birthday decoration!,