Ideal for Age 5+ Lunches should include a variety of nutrients to get through the day. Perfect for carrying different kinds of food and dishwasher safe/microwave safe/freezer safe our bento boxes are best for you to go to school work or take meals out. Lunch Box Care Instructions: 1. Please make sure each silicone ring corresponds to each compartment before closing the lid to ensure leakproof. 2. Hand washing is recommended for the lid to preserve the leak-proof seal! 3. Wash with soap and warm water before first use. 4. For tough stains and smells can try to scrub with vinegar and baking soda.