• Air & liquid tightness Easy to open and close and perfect sealing • Premium airtight container with unique lid SAN cover with clip close type • Fully tempered glass Thermal shock resistant glass made by ARC • Body Thermal shock : Over 135 [glass] • Microwave, Refrigerator and Dishwasher safe! • Remove lids before using in microwave • All products of Komax are free from Bisphenol-A