This is a single-layer construction with the back side finished with a serger, making it easy to wash. 《 Size 》There may be slight variations. The pattern will vary depending on the cutting location. Length: 23cm Width: 17cm ★ Size changes are possible ★ ① +200 yen Up to a total of +10cm in length and width (e.g., length +5cm, width +5cm, etc.) ② +400 yen Up to a total of +20cm in length and width (e.g., length +10cm, width +10cm, etc.) ③ +600 yen Up to a total of +30cm in length and width (e.g., length +15cm, width +15cm, etc.) ④ +800 yen Up to a total of +40cm in length and width (e.g., length +20cm, width +20cm, etc.) Size changes to make it smaller are the same price. Please consult for other sizes. Please be sure to comment with the finished size before purchasing if you want to change the size. How about matching items such as lunch bags, changing bags, gym clothes bags, and shoe bags (*'ᴗ'*) ◎ If there is no size change notification, it will be delivered in the listed size. Those who do not need a size change can purchase immediately.