Walker Tape’s Ultra Hold gives the most reliable, longest lasting liquid adhesive hold. It is a maximum wear (4+ weeks) adhesive that is gentle on skin, easy to clean, and dries clear. Ultra Hold provides users with a strong and long-lasting bond. Keep the product away from heat, humidity, and light. Store in a well-ventilated, cool, dark, dry, room-temperature controlled environment (60-80°F). Close bottle lids tightly. With proper storage, This liquid products have a shelf life of up to six months.