Illuminated dock cushion provides added safety furing boarding and disembarking at night. Dock cushion features 3 solar powered recessed ultra-bright LED's. Can provide up to 6 hours of illuninations with full charge. The inner core of the foam bumper is a lower density EVA foam (2.8 pounds per cubic foot) and the outer (front and back) pieces are tougher; higher density PE foam (8.7 pcf). UV protected foam material is maintenance free; non-marring and provides superior cushioning from impact. Designed for both horizontal and vertical applications; dock cushions are pre-drilled and ready to mount.