Pro Stand-Up Seat – BlueBicycle Style Seat Comes With Foam Padding Covered In Marine Grade Vinyl. Plastic Substrate; No More Wood To Rot Out! Compact Design Allows For More Room When Standing UpTo Fish. Whether You Sit Or Lean Against This Seat, It Provides Comfort And Stability.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.