CRL offers two versions of the CRL Accordion Boot Seals for weatherproofing the access between the truck cab and the camper shell. Order the slider to camper shell seal (Cat. No. ED5382RL) if the camper shell does not have a Boot Slider installed. Order the slider to slider seal (Cat. No. ED5381RL) if two Camper Boot Sliders are used. 15 feet of seal per roll.