Thank you for viewing. This is a handmade item. Product: Bento Box L, Two-Skin-Joined Four-Eye Weave or Small Item Case D(8) Materials: 1. Madake Green Bamboo (Two-Skin-Joined Four-Eye Weave) 2. Copper Nails 1.4 x 13 mm, Round Head (for edge fixing) Size: Outer Box Dimensions: Width 12 x Length 23 x Height 7.5 cm Body Dimensions: Width 10.5 x Length 22 x Height 7 cm Lid Dimensions: Width 12 x Length 23 x Height 6.5 cm Packaging and Shipping: Wrapped in bubble wrap and packed in a recycled cardboard box. Yu-Pack 60 size (Monday-Friday, shipping on weekdays) *Slight burn marks from the inner iron bending process. *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. *Do not use in a microwave (due to the use of metal). However, items that fit in a microwave before packaging and shipping have been heat-treated at 70°C for insect control. *Avoid soaking in water (the iron-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.