1:low ash,high value 2:long time burning.very hard 3:No-smoke,no-taste.good use for shisha 4:size:2.5*2.5*2.5cm/1.5cm. Coconut shell cube charcoal.1, natural 100% ,light easily, long-time burning, smokeless.odorless2, size: 3.5X2.5x1.5cm. 2.5x2.5X2.5CM; 2.5x2.5X1.5CM 20ft about 13 tons, 40ft about 25tons packing :0.5kg,1kg,2kg ,3kg /10kg