Adhesive Sealant White Caulking Trim for Tub & Floor applications. Easy installation, simply peel and stick adhesive-backed strip into place. Can be used over existing caulk or for new installations, as it makes for a beautiful finishing touch. (Will not adhere to silicone caulk) Prevents water from leaking along the base of the tub, mildew-resistant product. Sealer Trims are 100% waterproof and will not crack, shrink or dry out. With antimicrobial product protection to fight the growth of odor and stain causing mold, mildew and bacteria. Floor Sealant Trim is used for the gap where the tub meets the floor. Quick and easy alternative to grout. Can also be used over existing grout. White sealer trim 1-1/4"x 5ft. sealer trim Quick and easy alternative to caulk Can be used over existing caulk Mildew-resistant Plastic strip goes over existing grout. Watertight seal Peel and stick application Will not stain or discolor.