Thank you for viewing. This is a handmade item. Product: Bento Box S, Yotsume Ami (Four-Eye Weave) or Small Item Case D (1) Materials: 1. Madake Green Bamboo (Yotsume Ami) 2. Copper Nails 1.4 x 15 mm, Round Head (for securing the edges) Size: Outer Dimensions: Width 11.5 cm x Length 17 cm x Height 6.5 cm Inner Dimensions: Width 9.5 cm x Length 15.5 cm x Height 6.5 cm Lid Dimensions: Width 11.5 cm x Length 17 cm x Height 5.5 cm Packaging and Shipping: Wrapped in bubble wrap and packed in a recycled cardboard box. Yu-Pack 60 size (Monday - Friday, shipping on weekdays) * There are slight burn marks from the hot iron bending process on the inside. * Pencil guidelines and positioning marks may remain. * The 600ml PET bottle in the image for size comparison is not included. Usage Notes: * There is a gap between the body and the lid; please use a handkerchief or drawstring bag to wrap the contents. * Not microwave safe (due to the use of metal). However, items that fit in a microwave have been heat-treated at 70°C to prevent insect infestation before packaging and shipping. * Avoid soaking in water (the bent parts may revert). * Store in a well-ventilated place during the humid rainy season (if blue mold appears, wash with water and wipe). There may be stains and discoloration inherent to the materials. Please understand. This product is not suitable for those seeking perfection.