Scotty 302 Kayak Stabilizers [302]Kayak Stabilizers Feel secure and stable in your kayak while fishing with the Scotty Stabilizers attached to your kayak. Made with easy inflatable inner bladders offering over 30 lb. of extra bouyancy. Scotty's new locking Posts make installation and removal quick and easy! Each pontoon includes 4 permanently attached D rings, and a Scotty adjustable mounting system for easy installation and removal. The 30 inch long x 8" diameter (zipper opening)