This is a handmade item created by an individual using oxford cloth with a wavy stripe pattern. ☆ The lining is unbleached sheeting. ☆ Size: Approximately 25cm x 27cm, with a 6cm gusset. ☆ Pattern reference: YouTube channel "Hiiton Channel". Each item is carefully made, but there may be some imperfections such as slight distortions or untidy thread ends. Please read the profile before considering a purchase. Thank you very much (^^)