Micro Test Tube plates are made of optically clear, non-toxic Polystyrene. These plates with 96 U Bottom or flat bottom wells bear alphanumeric index. Uniform placement of all the wells facilitates use of multi-channel pipettes. Material :- Polystyrene HSN CODE:- 39269099 Item No. Particulars Packing GSI/PL/66801 Flat Bottom Plate 72 Pcs. GSI/PL/66802 U Bottom Plate 72 Pcs.