Attaches with secure Velcro and tie-downsnSlips over any roof rack 1.5u0026#34; in diameter or lessnLow-density foam cushions your gearnSet of two rack padsn30 inch lengthnDesigned to wrap around any roof rack measuring 1.5" or less in diameter, our roof rack pads provide a wealth of extra cushioning for your precious kayak, canoe, surfboard, or paddle board. Constructed from low-density foam sheathed in weatherproof fabric and employing a no fuss slip-over design with Velcro straps and tie-downs, these pad sets will ensure that your craft makes it to the water with minimal wear and tear. At a 30" length, the Surf to Summit Roof rack pads are a convenient, versatile, and cost effective solution to padding your round or square crossbars.