The original zipper pouch "Flappo!" Is on sale from December 13th at each supermarket "Kinokuniya". The price is 399 yen for the S size and 436 yen for the L size (both tax excluded).
The smooth vinyl pouch has a flat design with no gusset, allowing you to keep your bag and desk tidy. One side is translucent so that the contents can be seen, and an illustration of Kinokuniya homemade bread is drawn.
The S size, which has a cute soft pastel pink, is 13 x 13 cm. The calm oak color L size is 15 x 21 cm. It seems that you will be pleased with carrying around sweets and stationery and small gifts.