Product name: Bluestone/blue stone/blue limestone Brand name : Thanh Thanh Tung Stone Material : Blue limestone Color : Grey,blue,black Surface finish: Flamed/honed/sanded/bush hammered/sawn cut/tumbled, sand blast/chiseled. Original place: Thanh Hoa province, Viet Nam country Bluestone products: Application: tile/slab/stair/step/wall/curbstone/paving stone Usage of blue stone: Outdoor paving,wall cladding,driveway paving, road curbstone, garden paving, garden steps, interior paving, Available size: Tile (30*60cm,60*60cm,60*80cm, 80x80cm, 30x90cm, 30x120cm, 60x120cm ,â?¦) Slab (100*100cm, 30*120cm) Curbstone(100*30*20cm,100*30*15cm,100*20*8cm) Paving stone(20*15*5cm,60*60*2cm,10*10*5cm) Density 2.7g/cm3 Thickness tolerance: +-2 mm Packing: Fumigate wooden crate with foam Delivery :Within 5-20 days after confirm receive your deposite Payment: 50% T/T in advance,50% against the copy of B/L