Horizontal slide and lock telescoping handle provides maximum leverage and lightens lifting loads. Cool riser technology with ultratherm insulation in body. Lid keep ice for five days at 90 degrees Fahrenheit. Oversized, soft-ride, sport rally wheels with UV inhibitors guard against sun damage. Virtually indestructible zinc-plated metal hinges. Another Igloo Industry First horizontal telescoping handle requires 50% less lifting effort by the user. -Ultratherm? insulation in body and lid holds ice up to 5 days. -Comfort-grip, locking, telescoping handle.