Safe and Durable Material: Crafted from high-quality food-grade PP material and wheat straw, our bento boxes are BPA-free and environmentally friendly. The thickened material ensures they are resistant to falls and long-lasting. Microwave and dishwasher safe (excluding the lid), making heating and cleaning convenient. [Safe and eco-friendly lunch solution.] Convenient Design: Our bento lunch boxes feature a transparent design, making it easy to identify the food inside. The outer layer of the snack box is crafted with a frosted finish for durability and slip resistance, while the inner lining boasts a smooth, glossy surface for easy cleaning. Please note that these bento lunch boxes for kids are not leak-proof; they are designed to securely hold solid foods and dry snacks. [User-friendly design for hassle-free meal prep.] Balanced Meal Prep: Our bento adult lunch box comes with four compartments, measuring a generous 10.2x6.1x2.2 inches in size, with a capacity of up to 44 fluid ounces, allowing you to easily pack a balanced meal. Specifically designed for sandwiches, salads, fruits, and snacks, ensuring your food stays fresh and organized. [Efficient meal planning for healthy eating.] Space-Saving and Portable: The stackable design of our lunch boxes saves space in your refrigerator and cabinets, making them ideal for quick storage and cleaning. Lightweight and compact, they fit easily into backpacks or lunch bags, perfect for school, work, travel, and parties. [Portable and versatile lunch solution.] Customer Satisfaction Guarantee: Your satisfaction is our top priority. If you encounter any issues with your lunch containers, such as damage, deformation, or incorrect color, please contact us for a refund or replacement. We are committed to providing excellent after-sales support. [Reliable customer service for a worry-free purchase.]