Create a level base for pavers and patio slabs! Use the KING Stone Dust, sifted through 3/16 '' (5mm) to quickly build a stable base. Available in 30 kg bags. Excellent base for leveling pavers and patio slabs. Effective way to prevent the establishment of weeds or ant colonies between bricks. • High quality pure limestone dust sifted 3/16 in. (5 mm) • Indicated to create a level base for pavers and patio slabs • Effectively prevents the growth of weeds or the establishment of ant colonies between paving stones • Easy to use • For best results, fill joints with KING PermaSand (Polymer) or SAKRETE Pointing Sand