Thank you for viewing! This is a Familia-style green check pouch. It has a soft interfacing, lining, and gusset. The zipper is a YKK ball-pull zipper. This is a set of three sizes: large, medium, and small. You can use them in various ways with different sizes. Sizes: Large Width: 20 cm Height: 13 cm Gusset: 5 cm Medium Width: 16 cm Height: 12 cm Gusset: 4 cm Small Width: 12 cm Height: 9 cm Gusset: 4 cm Please note that the sizes may vary slightly due to being handmade. I make each item with care, striving for a high-quality finish. Thank you for your understanding of handmade items. ^_^