Thomas the Tank Engine train 26-inch See-Thru balloon. Two panels printed on a clear film. You can actually see through it! The giant balloon features everyone's favorite Thomas the Tank Engine chugging along the railroad tracks. Perfect decor item for a Thomas train themed birthday party. The Thomas train balloon measures approximately 26 inches round. Can be air filled or helium filled. The balloon is sold un-inflated. Made in U.S.A.