Polyester Blend Imported Enjoy sidewalk rides on this delightful monster-themed kids bike by Pacific; 12-inch wheels fit riders ages 2 to 4, or 28 to 38 inches tall Single speed drivetrain is easy to use; great for learning to ride Rear coaster (pedal) brake provides intuitive stopping power Durable steel frame offers long-lasting use Tool-free adjustable seat post makes it easy to fine tune the fit