Flexible seal for mast collar that is quick to install. Bainbridge Mast Boot Tape provides a quick way to seal an existing mast boot or create a new one. The UV resistant PVC material is self-bonding and will not leave behind a sticky residue when removed. The 4" tape forms a watertight/air tight barrier (with sail track and other cavities in the extrusion sealed) that remains flexible to maintain the seal. Stop a leaky mast boot or create a custom seal using Bainbridge Mast Boot Tape. Key Features Seals an existing rubber, vinyl, or PVC mast boot Can be used to create custom mast boot UV resistant PVC Self-bonding and will not leave sticky residue One roll is enough to seal most masts on boats up to 40'