Blended natural sandstone calibrated patio kits are hand cut and hand dressed giving a more rustic finish and come in four specially selected colour blendsr r the slabs are lighter in weight than standard natural sandstone making them easier to handle and ideal for those budget projects that still desire a natural productr r each pack contains 50 unitsr r when laid using a 10 20mm joint each pack contains enough paving slabs to cover 1891m2r r thickness 17 20mm country of origin india