POLYPROPYLENE PLASTIC || Pack of twelve 100ml beakers made of premium quality polypropylene plastic INDUSTRIAL QUALITY || Superior chemical durability & heat tolerance. Autoclavable for easy cleaning & sterilization EXCELLENT OPTICAL CLARITY || Each beaker features excellent optical clarity with raised, 5ml graduations & specifications TAPERED SPOUT || Tapered spout for easy pouring and transferring of liquids GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designe