Thank you for viewing. Hello Kitty Cutlery Set for Bento Boxes This cutlery set was used by my child for two years when they were in kindergarten. Please check the condition in the photos. This is a used item. Please purchase only if you understand this. The following is quoted from the product description: Quality Label for Household Goods Raw Materials: (Lid) AS resin (Body) ABS resin (Inner Tray) Polypropylene Heat Resistance: (Lid) 80 degrees Celsius (Body) 80 degrees Celsius (Inner Tray) 100 degrees Celsius Handling Precautions: ○ Do not place near fire. ○ Do not use automatic dishwashers or dish dryers. ○ Use a sponge or soft cloth with a mild detergent and wash with lukewarm water.