Dritz 399 Fray Check with Fabric Guide Applicator Tip, 3/4-Ounce Fray check with fabric guide applicator is a liquid seam sealant that prevents fabric from fraying and secures the ends Formulated to withstand laundering and dry cleaning; it is flammable Place a piece of cardboard between area being treated and other fabric layers The curved guide should be on top, squeeze bottle gently as you move it along edge of fabric This package contains one 3/4 fluid ounce bottle