4in1 Stackable Plastic Fridge Organizer Food Fresh Keeper Container Vegetable Storage Material: Polyethylene (PET) Plastic Stackable Designed:  Storage Containers can save a lot of space in the fridge and easily organize your fridge, kitchen, pantry to store foods. You can storage everything, like masks, skin care products, cosmetics, medicine, snacks, stationery, or as a fishbowl etc.