Made in our factory in Reus (Spain). Thermoplastic (PBT) suitable for food contact, BPA free. 100% airtight thanks to its 4 locking points and silicone gasket. Doesn't stain or retain odors and does not deform. Suitable for microwave, dishwasher and freezer (-20ºC to 200ºC). Translucent lid with window to clearly see inside.