Sandwich Lunch Box is made of silicone and PP material, can store sandwiches or other types of foods. With three buckle design and good sealing performance to protect food. The lunch box is freezable and microwaveable. The lid equipped with a convenient ring, allowing you to easily hang it on a hook to dry after cleaning. Lightweight and thin design makes it suitable for picnics, work and outdoor activities. Imprint lunch box only can be hand washed.