ITEM NAME:3.2m Car Butyl Rubber Tape Headlight Sealant Taillight Double Sided Glue #gib Store Home Promotion Hot Item Add to Fav.3.2m Car Butyl Rubber Glue Tape Headlight Sealant Headlamp Taillight Windshield Double Sided Glue Tape. Material: Butyl Rubber. Use: For the purpose of modifying the car lamp, 4-6 headlights can be modified by 1 piece sealant, the sealant is waterproof.