Seachoice Twin Eye Boat Fender Kit - 2pk The Seachoice Twin Eye Boat Fender Kit  includes two twin eye fenders and two 3/16in x 5ft double braided MFP fender lines with a reinforced nylon mesh loop on one end. The fenders are Roto-molded for even wall thickness and manufactured from Marine Grade vinyl for superior strength, cushioning and a high gloss finish. The Seachoice Twin Eye Boat Fender Kit includes a recessed valve to prevent value lug from pulling away from the fender. There is a valve plug housing molded into the fender. Heavy duty integral lugs are used to extend the life of your Seachoice Twin Eye Boat Fender Kit