ALL DAY SUPERIOR COMFORT FOR EVERY DAY. 3 UNIQUE GELS: 1. ENERGIZING MASSAGING GEL: Absorbs shock & reduces muscle fatigue in feet & legs. 2. ARCH SUPPORT GEL: Manages weight by improving foot pressure so you can stay on your feet longer. 3. RESPONSIVE WAVE CUSHIONING GEL: Adapts to provide added comfort & energy rebound to keep you moving with ease. DESIGNED TO FIT COMFORTABLY IN: WORK BOOTS, SHOES, CASUAL SHOES & SNEAKERS. CLINICALLY PROVEN. DOCTOR RECOMMENDED, LOVED BY FEET! PLASTIC TRAYS (Check Locally) recyclable.