The Lemon Saver keeps cut lemons fresh and fragrant. It is also a fun way to serve citrus at the table or to keep lemon wedges fresh for dropping in water glasses. The bright and practical Lemon Saver is easy to find in a crowded refrigerator. The 2 sides attach by twist lock. Made of polypropylene plastic, these are phthalate and BPA-free. Dishwasher safe.