The Thule Express Surf Strap is a quick easy way to secure surf boards or stand up paddle boards to the roof of your vehicle. Surf Straps are stretchable to accommodate any sized board. The looped ends easily fasten around the load bars on the roof of your vehicle to securely hold your board on for transportation. Thule Express Surf Straps are made from strong, UV resistant material so they will hold up against the sun and salt water for years to come.