* The Arch Genie is a "one size fits all" foot arch stretcher and has been designed to accommodate dancers ages 8 and older. * The base material is inflexible, designed to withstand the intense stress of the foot stretch and any wear and tear that may occur from other sources. * The base is padded with ergonomic foam to cushion your leg while stretching your foot. * The heel area is enhanced with our advanced heel comfort system for a more enjoyable foot stretch. * The foot stretching sleeve is fashioned from durable fabric and will withstand the force of consistent, repetitive arch stretching. LEGAL DISCLAIMER: Always consult a qualified medical professional before beginning any exercise program. Any use of Arch Genie™ products is solely at your own risk and Arch Genie, L.L.C. will not be held liable for possible injuries that may occur. Please note that the Arch Genie™ and Arch Genie PRO™ foot stretchers work on leverage and so pressure and some pain in the heel area are to be expected.