Scotty #302 Kayak Stabilizer System Stabilizer Kit includes 2 inflatable pontoons, 2 28" anodized arms, 4 #241L Locking Combination Side/Deck Mounts, 2 #280 Baitcaster Rod Holders Easy inflatable inner bladders offer over 30 pounds of extra buoyancy Scotty's new locking mounts make installation and removal quick and easy Each pontoon includes a Scotty adjustable mounting system for easy installation and removal 30" long x 8" diameter (zipper opening) pontoons are made of heavy PVC-coated outer shell materials with a durable inner bladder