Large tuna stencils come 8 to a pack. Each sheet is approx 11" wide and 18 tall with the actual stencil area being 16" x 8". Stencils are precision cut from easy to use paint mask material. Simply adhere the stencils to your freshly painted boat hull. Once applied, roll or brush on a contrasting colored bottom paint or marine approved paint. Once painted, remove stencil and throw away for easy clean up.