Fresh 'N' Go Leakproof Pinnacle Thermo Lunch Box 16 Oz. Yellow Insulated leakproof container which keeps food warm for upto 4 hrs. and fresh and cold for upto 6 hrs. Wide bowl shaped opening which is ideal for enjoying your meal Perfect stylish design for bringing lunches to school,office or travel For best results lunchbox must be filled to full capacity Hand wash only, Microwave safe, BPA free