GSI Volumetric Flasks, blown in Polypropylene, are strong, unbreakable and have good contact clarity These autoclavable flasks are provided with screw caps to prevent leakage.Material :- Polypropylene HSN CODE:- 39233090Item No.ParticularsPackingGSI/PL/6800125 ml6 Pcs.GSI/PL/6800250 ml6 Pcs.GSI/PL/68003100 ml6 Pcs.GSI/PL/68004250 ml3 Pcs.GSI/PL/68005500 ml3 Pcs.GSI/PL/680061000 ml3 Pcs.