Oxford cloth! The lining uses a sturdy fabric, similar to denim. The flap has quilting in it, making it compact and easy to use. Original handmade item A collection of monsters on nostalgic Showa-era bottle caps Other designs with the same pattern are ⬇️ #HandmadeMonsterDrinks Piano case (keyboard harmonica case) for sale (Piano is not included.) Shoulder strap (removable, adjustable length) is +500 yen. #PianoCaseWithShoulderStrap #PianoCaseBoys #PianoCaseUnisex #PianoCaseGirls Size... The horizontal length is the width at the top when the gusset is flattened. The height is the length of the highest wavy part when standing up. (Handles are not included) Please understand that there may be slight variations of about 1 cm depending on the measurement method. Photos are taken with a Yamaha P_32P (32 keys) piano case, which is 45.5 cm wide, 18 cm high, and 5.5 cm deep. As this is a handmade item, please refrain from complaints about the construction (slight unevenness in the seams, misalignment), or returns due to size issues. How about for entrance/school preparation (boys, unisex, girls)? Also great for children, grandchildren's entrance celebrations, and those who like Familiar. Prepare for elementary school, kindergarten, and nursery school entrance/enrollment - add a little something extra. Also great as a present/gift for friends and grandchildren's entrance/enrollment celebrations. ☆ If you are looking for a knapsack, backpack, gym clothes bag, lunch bag, or lunch bag, please request it. ★ This work is made using fabric for which sales permission has been granted. #KeyboardHarmonicaCase #PianoCase #PianoCase #MelodionCase #PictureBookBag #EntrancePreparation #ShoulderStrap