This foam is compatible with Pelican's canoe carrying kit (PS0520-3). They are sold separately to allow you to replace only your foams instead of buying a complete kit again. They will allow you to transport safely your canoe The pad is made of EVA. EVA is a very flexible and elastic component that offers better shock resistance when you travel with your canoe EVA foams also have adhesive properties that ensure that the pads stay in place on your car while driving. Simply place them on the roof of your car and install your boat on them This includes 1 soft foam pad of 6.5 x 4 x 3.3 inches. (17 x 10 x 8 cm)