Professional Shoe Stretch is a leather softening liquid spray that stretches boots and shoes while you walk. It is specially formulated to stretch tight fitting shoes or boots. This shoe stretch works well on suede, leather, canvas, and linens. Directions: Spray heavily inside and outside the portion of shoe or boot to be that needs to be stretched. Wear shoes directly after application to stretch to proper fit. Wear thick socks for best results. If shoes are still tight after the solution dries, repeat application until you reach a comfortable fit. Always sample first on a hidden portion of the article just to be safe and make sure it will not discolor the material. Can be used with a wooden or plastic shoe or boot stretcher after application instead of wearing after application. The 100% Manufacturer Money Back Satisfaction Guarantee, so if you do not like it for any reason, contact the manufacturer and they will make it right with you!