A polymer-modified graded sand for filling between interlocking pavers, brick, patio blocks and concrete slabs. Once swept into pavers joints and dampened with water it hardens, locking pavers into place. Designed to resist weed growth and insects, erosion, non-staining, use for installation of pavers or replacing existing joints. Coverage area 50 to 55 sq-ft tumbled pavers. 85 to 90 sq-ft regular pavers. Tan.