Adhesive interfacing is applied to the diamond-patterned sheeting fabric. The lining fabric also has a very cute strawberry pattern ♥ Thunder-chan has cotton inside and is sewn in three places. *The lipstick is for size reference. ◎ Uses YKK 16cm ball-tipped zipper ■ Size: Approximately 11.2cm (height) x 16.5cm (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. ☆★☆ This product is a handmade item by Amy using fabrics from (Koyan Isamu Cho). It is not an original product of (Koyan Isamu Cho). The copyright of the fabric illustrations belongs to JAESUNSHOP.