Description Will not roll up like traditional round fenders Easily folds up for under seat storage Tough marine grade tri-laminate covers are rip proof and durable Polycarbonate grommets at each for easy hanging Dimensions: 30 in. long x 6 in. wide x 4 in. thick Description Boat Fender Attachment The Hull Hugr Contour Fenders are the perfect boat accessory. Unlike traditional boat fenders, the contoured shape prevents these boat dock fenders from rolling or riding up, meaning your boat stays protected. These boat fender attachments hinge to wrap around the gunwale and hull, following the contours of the boat. All Hull Hugr products are constructed with a marine-grade, rip-proof, tri-laminate cover, with closed cell foam inside. Durable polycarbonate grommets at each end allow you to hang them from cleats. The Hull Hugr offers a multi-point attachment system, so you can easily link multiple fenders together with the hook and loop straps provided. These modular fenders are manufactured from three layer dual density EVA and can be stowed under seats. Sizes: 24 in x 6 in x 2.5 in, 30 in x 6 in x 4 in California Residents WARNING: This product can expose you to chemicals including Vinyl chloride, which is known to the State of California to cause cancer, and Di-n-hexyl Phthalate (DnHP), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.