Thank you for viewing! This is a handmade lesson bag. Lesson bag: Height 30cm, Width 40cm, Depth 5cm (Please allow for some minor errors) Outer and lining fabric: Twill fabric, dark navy It's made with two layers and has interfacing on the lining, making it sturdy. ◯ I have pets. ◯ I do not accept custom orders. ◯ I do not offer discounts on handmade items. ◯ I make each item carefully, but as a handmade item by an amateur, there may be slight imperfections such as warping or misalignment. ◯ Please understand that there may be creases from shipping. ◯ I do not offer gift wrapping. ◯ Simple packaging will be used. ◯ I use a home sewing machine. If you have any questions, please feel free to comment. Thank you for your understanding. I appreciate your purchase.