CUSTOM BLDG PRODUCTS TLSGS24Z 24-Ounce Surface Gard Sealer, 24 Oz, Clear The product is 24OZ Surface Gard Sealer Easy and simple use kit Invisible protection for marble, stone, porcelain, and more. Great for both interior and exterior use. Maximum strength. Protects against stains. Invisible protection for marble, stone, porcelain, and more. Great for both interior and exterior use. Maximum strength. Protects against stains. Invisible protection for marble, stone, porcelain, and more. Great for both interior and exterior use. Maximum strength. Protects against stains.