Paver Set sand is a mixture of sand and special additives that hardens with moisture for paving stone joints. Polymer fortified to lock joint sand in place. Engineered to resist wind, rain, freezing conditions, and substrate movement without washing away. Blocks weed growth and resists insect penetration in joints. For best results, apply with funnel or bag to insert Paver Set directly into joints. Remove all excess Paver Set from surface of project before wetting to prevent staining. Color: Tan. Coverage: 20 to 35 sq ft (sq. ft.) for joints of about 1/8" wide, 8 to 18 sq ft for joints of about 3/8" wide. 40 lb (pound) pail.