Felissimo Assemble Sandwich Case. Used 1-2 times, then stored away and never used again. 〈Quality Indication〉 ● Material: Body/Lid: Polypropylene ● Heat Resistance: -20～120℃ ● Assembled Dimensions: 136 x 107 x 73mm I will wash it once with dish soap, wrap it in packing materials, and take measures to prevent water damage before shipping.