This high quality brush-on adhesive will help you create and embellish some of your greatest works of art. Sizing becomes tacky in 15 to 60 minutes (depending on environment) after application. It is specially formulated to remain tacky for up to 48 hours so that you have plenty of time to apply the decorative leaf. This product can be used with many other craft and home decor projects. 2 oz bottle - waterbased.