"-Product Features: 1. Grinding and cleaning: clean the bonding surface. 2. Gluing: apply the glue evenly on the two sides of the crack, and apply the glue evenly. 3. Blower heating: heat the crack with a blower for 30-50 seconds. 4. Bind it with a rubber band and place it for 24 hours to see the effect. Specifications: Not just regular "super glue" Different from other quick-drying glues, which has stronger waterproof function and more durable characteristics. It is initially cured for 3-5 minutes, and the waterproof effect is remarkable after it is fully cured after standing for 24 hours(Full Curing Time is 24 hours)) Re-attach your sole with confidence because unlike other shoe glues, this shoe glue creates a flexible bond unaffected by heat, cold or moisture.Formulated to use on all footwear materials, especially rubber and vinyl footwear where other glues fail, including boots, athletic shoes, climbing shoes, dress shoes and more.Add toSpecifically formulated to create a lasting bond that stays strong so you can have confidence in repairing your shoes yourself. prevent accidental inges. Packing list: 1 * shoe glue If you have any questions about the product, please contact us in time, we will get back to you in time."