Product Description:Bullseye Glastac Gel is thicker than the standard Glas Tac, which makes it perfect for working with frit and keeping glass in place before firing. The thick texture stays sticky longer so you can make changes to your design. Can be applied using a swab, toothpick, or a paint brush. This glue is formulated to work with glass, so you never have to worry about residue left behind after firing. Also available in 4 oz.