Whether you're going on a multiday trip down a river or spending an afternoon on the lake, the Advanced Elements(R) Lumbar Kayak Seat ensures a comfortable ride. Compatible with Advanced Elements(R) AdvancedFrame and StraitEdge Inflatable Kayak models, this kayak seat features a high support back with stiffener rods. Inflate the adjustable lumbar cushion for added support and comfort. This kayak seat easily attaches and quickly inflates. FEATURES: Kayak seat Compatible with all Advanced Elements(R) AdvancedFrame&trade and StraitEdge(TM) models Features high support back with stiffener rods Adjustable inflatable lumbar cushion adds support and comfort Easy to attach Quickly inflates Material: Polyester with closed cell foam Back dimensions: 22" x 16.5" Manufacturer's warranty: 1 year limited For additional information relating to the Manufacturer's Warranty, please contact 707-745-9800.