16' x 39' 20mm Dual Density Large Helm Pad Mocha/Black Brushed with Routed Teak Lines & Boston Whaler Logo - 406.4mm x 990.6mm x 20mm The softest, most comfortable SeaDek pad with a laser-etched Realtree camo pattern! Your knees and back will thank you after a day on our Dual-Density Realtree helm pad. Featuring an ultra-comfortable low-density 17mm foundation with our legendary standard 3mm top layer for traction and durability, no boat is complete without this essential addition. All helm pads utilize a robust 3M™ adhesive for an easy peel and stick application.