Tuff Duck Concrete Countertop Sealer 750ml (24 oz) Counter-top Satin Finish Sealer covers 45-60 square ft per 750ml bottle Water-based formula is FOOD SAFE & NON-TOXIC and has no VOCs Specifically designed for Concrete Surfaces such as Countertops & Sinks Detailed application instructions supplied with every purchase Tuff Duck penetrates deep into the concrete while leaving a durable shell on the surface