Tombow-Xtreme Mounting Putty Tabs: Red. A high performance reusable putty adhesive. Suitable for use where screws, nails and ordinary adhesives cannot be used. Holds up to 13lb per pack! It has low shrinkage and can be painted. Use indoors or outdoors for plastics, plaster, wood, masonry, metals and glass. This package contains sixty 3/8x3/8 inch pre-cut pieces of Xtreme putty (1.23oz total). Non-toxic. Imported.