Attach our pressure reducing outer-soles to your high heels and experience an instantaneous relief of pressure off the balls of your feet and ankles * SHOE GUMMIES ARE NON-TRANSFERABLE * Reduces pressure on the balls of the feet Prolongs high heel wear Stops feet from sliding forward RED Shoe Gummis comes in 2 sizes: Small (US 35 to 39) Medium (US 39.5 to 42) SEE CHRISTIAN LOUBOUTIN SIZING CHART TO CONVERT YOUR SIZE NOT SURE ABOUT GUMMI SIZING? Visit our PRINT TO SIZE page to print out an actual size Gummi, cut it out and place it on the bottom on your heels for sizing. You can attach Shoe Gummi on high heels 2' to 5' inches in height, with a rounded or squared-toe box. Shoe Gummi cannot be placed on every type of high heel but can still fit a wide range of high heel bottoms, so don't be discouraged. SHOE GUMMI IS NOT DESIGNED FOR THE FOLLOWING HIGH HEELS. Dancer heels, wedges, heels with a terrain bottom, and heels with a thick platform. View SHOE GUMMI HOW TO VIDEO for visual. Legal Disclaimer: Individual Results may vary, and testimonials are not claimed to represent all results. All testimonials are real participants, and may not reflect the typical purchaser's experience, and are not intended to represent or guarantee that anyone will achieve the same or similar results. Every person has a unique pain threshold and high heel height and design will impact individual results. Thus, the experiences that we share from other people may not reflect the typical users' experience. Shoe Gummi outer-soles are designed to relieve the pressure off the balls of the feet. Please consult a podiatrist for specific medical-related questions or concerns.