This 17" Koala Foil Balloon by Anagram International, Inc. is perfect for any animal themed celebration. This foil balloon is made of durable foil, and features an adorable koala design. The balloon is 17" wide when fully inflated, making it ideal for any birthday party, baby shower, or any other special event. The balloon is easy to inflate and can be reused for multiple events. 026635425544. With its vibrant colors and detailed design, this Koala Foil Balloon will make any party memorable.