Although I only rinsed it with water after opening, it is unused and considered new. Please forgive any water spots from that process. The backing card may be folded to fit the packaging size. It can be disassembled and washed. (See photo 2) Adjustable stainless steel drop lid, compatible with 14-23cm. - Model: GC-174 - Size Adjustment: 14-23cm - Material: Stainless steel - Country of Manufacture: Japan For those who can agree after reading the profile.