This is a book cover made of thick cotton fabric. The lining is unbleached sheeting. A medium-weight interfacing is applied, giving it a moderate thickness. A fabric band is attached for adjusting the thickness. The bookmark is made of synthetic leather and features a macaron-like covered button that serves as a weight and accessory. Open: 30cm x 16cm Closed: 12cm x 16cm However, the inner dimensions will be approximately 5mm smaller, depending on the thickness of the fabric. ★ If you are purchasing multiple items, please let me know in the comments. ✳ We will discount 100 yen for each additional item. For example, if you buy 3 items, you will get a 200 yen discount. If you buy 5 items, you will get a 400 yen discount. We will enclose them together.