THIS POPULAR PRODUCT HAS BEEN FORMULATED TO PREVENT WEATHER SEALS FROM CRACKING. IT CONDITIONS WEATHER SEALS ON CAR DOORS, WINDOWS AND TRUNKS AND PROTECTS AGAINST TEMPERATURE EXTREMES AND UV RAYS. GUMMI PFLEDGE KEEPS RUBBER ELASTIC AND  ALSO RESTORES COLOR TO DRIED-OUT RUBBER. THIS FORMULA IS A SOLVENT-FREE, WATER-BASED FORMULA. IT IS A VERY EASY-TO-USE SHOE POLISH TYPE APPLICATION THAT AVOIDS MESSY DRIP AND CLEAN-UP.