Essential items for returning to school: a set of 8 glass food storage containers featuring leak-proof lids! Crafted from high-temperature resistant glass, these containers are safe for use in microwaves, ovens, refrigerators, and dishwashers, and are free from BPA. The set includes 4 cleaning sponges. Ideal for students packing lunches, office employees meal prepping, or for gatherings during Christmas and Halloween. The highly transparent design allows for space-saving stacking, making them an excellent companion for a healthy lifestyle!