Cute retro gauze fabric with a lining added for durability. I think it turned out very cute. The slightly larger size is also a key point! Flat measurements: Length (from top of string) 19.5cm Width 19cm ★Each item is made with care, but as it is handmade by an amateur, there may be slight imbalances or distortions. We appreciate your understanding of handmade items, and we kindly ask for your consideration before purchasing. Also, please forgive any slight differences in color. #SchoolSet #CupBag