- 18/10 stainless steel bowl suitable for the microwave. - Glass cover with valve to allow air to circulate. - ClipLock System: The 4 clip closures securely hold the lid, ensuring its watertight.- 100% hermetic: Thanks to the removable silicone gasket that incorporates the lid. - Lightweight and resistant: ideal for storing food and transporting food anywhere.- Hygienic and antibacterial: They do not transmit odors or flavors to food. - Containers suitable for the microwave, oven (without lid), dishwasher, refrigerator and freezer. - Stackable: saves space in the kitchen. Eco-friendly, reusable and BPA free.