Lock&Lock Boroseal III, Borosilicate Glass, 4-Piece Set/2-Containers Includes a LLG822(1.6-cup/5.4 x 5.4 x 13.5in), and a LLG855(3.6-cup/6.9 x 6.9 x 3.1in) Excellent airtightness with the 4-side locking system keeps food fresh Heat-resistant glass can withstand sudden change in temperature Resists stains and odors for lifetime of clarity Safe for use in microwave and oven (without lid), freezer, refrigerator, and dishwasher