If you want a certain slab, please let us know which one you want, by specifying which slab you want. 
 
Each photo will have a code, in order. Below are the codes. 
 
B16, B17, B18, B19, B20, B21, B22, B23, B24, B25, B26, B27, B28, B29, B30
 
These slabs are around 40 grams each. Raging from 70-120mm Height x 35-60mm Length.