I-Chem Brand 120-0250 Clear Glass 250mL 100 Series Type III Mouth Jar, with PTFE-Lined Polypropylene Closure, Short, Unprocessed (Case of 12) Wide mouth jar, clear, short, Type III glass, unprocessed with PTFE-lined polypropylene closure Capacity: 250mL; closure size: 70-400; series: 100; closure material: polypropylene Excellent for use in soil, sludge, and sediment sampling For general use, are not processed or certified