Size: 11.5 x 7 (length x width) Please note that due to the handmade nature of the product, there may be slight variations in size. As this is a handmade item by an amateur, please understand and accept any imperfections. We do not accept claims or returns after purchase. 10 sheets for 300 yen, including shipping. Made by hand using origami. Please specify your desired: ◆ Design ◆ Number of sheets ◆ Whether you want windows, and their shape Due to limited quantities, please consult via comments.