LandShark Saddles give value-minded paddlers great performance without breaking the bank. Or your boat, for that matter. Contoured saddle fits most popular boats, except cruise ships The saddles make it easy to load and pack quite a grip One set of 4 saddles makes for one safe and secure boat Great value for a saddle system if you’re mounting to round or square crossbars Fits round and square crossbars Compatible with factory crossbars. Just add Universal MightyMounts or MightyMounts (SOLD SEPARATELY)