This is an excellent product for filling travertine. Unlike grouting the travertine, this colored glue will stay in place permanently! This polyester based travertine filler is semi-solid and comes with the hardener as shown. This is exactly what slab manufacturers use to fill travertine before selling it on the market. Use what the professionals use! This filler for travertine is easy to use with easy clean up. Just add 3% hardener (included) to the glue in a non waxed paper cup and mix it with a tongue depressor or popsicle stick until mixed thoroughly That would be approximately 3 drops of hardener to each tablespoon of resin. Fill the voids in your travertine with it then scrape the exess glue off so it is flush with the top of your stone and allow it to dry. Clean up excess or spills with a rag and either denatured alcohol or acetone. This travertine filler is exactly what the professionals use to fill the holes in travertine. With this 125mL container is perfect for homeowners, Do-It-Yourselfers, and those small jobs you may have. This is a HazMat (hazardous material) and additional fees may apply. It can only be shipped via UPS Ground Delivery to the continental USA or UPS Standard Delivery to Canada. It is not able to be shipped via any other level of service or outside of the continental USA and Canada. Ships to CONTINENTAL U.S.A. and Canada only-- it is not available for delivery to Alaska or Hawaii. The shipping price quoted is for the continental U.S. only-- for deliveries to Canada we will bill actual charges.