1. Size: above 300 mesh, Packing: 30kg Sack, Product Code: AAS 1525 (white lightweight powder) 2. 40 mesh to 300 mesh, Packing 30kg Sack, Product Code: AAS 1424 (White Lightweight powder, best for Polishing purpose ( Metal parts, Buttons, parts made of bone, plastics, wood, ceramic, marble floor)