Fastpac range by SabertHot and Microwavable Solutions Square Microwavable Container - Made by Sabert from Polypropylene, this container is microwavable, food safe, washable and able to withstand temperatures between-18 and +100 degrees. Today more than ever, quality fast food has its requirements. In the case of take away meals to be re-heated in the microwave, Sabert has anideal technical response. Ventilated covers avoid condensation and ensure that steam gets out. This range has leak-proof lid fit, perfect stacking ability and can be re-used.