The outer fabric and Little Thunder-chan have interfacing applied. The lining fabric has a pop-art strawberry pattern. *The lip balm is for size reference. ◎ Uses a YKK 16cm zipper ■ Size: Approximately 13.5cm (height) x 16.7cm (width) No gusset Please understand that there may be slight variations. This is a handmade item by an amateur. It is not perfect like a mass-produced product. I try to sew carefully, but there may be imperfections such as curved seams, fabric distortion, and misalignment. We appreciate your understanding before purchasing. ☆★☆ This product is a handmade item by Amy using fabric from (Koyan Isamchon). It is not an original (Koyan Isamchon) product. The copyright of the fabric illustrations belongs to JAESUNSHOP.