The checkered fabric on the upper part has yellowed stains overall (images 9 and 10). I have listed this item hoping someone will use it, with the understanding of the stains. Other than that, the inside is relatively clean, I think. Approximate size when laid flat: ・Height 20cm x Width 20cm x Depth 13cm Since the bottom is circular, when closed as in image 1, the width is also approximately 13cm.