Suitable for advanced stilt-walkers aged 6 years and up to 210 Lbs. * Go to the XTREME with a height off the ground that ranges from 5 to 17 inches (12.7 cm to 43.2 cm) with Vert Lifters. * Constructed of rugged tubular steel with non-marking feet for use indoors and out. * Large rubber foot on the bottom of each stilt for maximum stability. * Ergonomic "S" bend in the upper portion make the poles rest comfortably behind your shoulders for hours of fun.