Tub and Wall Biscuit Sealer Trim Wide 1-5/8 in x 11 ft long 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 touc 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.