Thank you for viewing! I've made a smartphone pouch, sacoche, and smartphone shoulder bag using black canvas. It has a gusset (3cm) and one small inner pocket. *Please note that there may be slight variations in size. Width (opening): Approximately 18cm Circumference: Approximately 36cm Height: Approximately 22cm Gusset: Approximately 3cm Materials: Canvas: #11 black Twill (inside) Snap button The color of the fabric may differ slightly from the photos. ⚠⚠✿The strap in the photos is for reference only and is NOT included. *Interfacing is not used. This is a handmade item, so there may be slight imperfections such as unevenness, misalignment, and distortion. Please understand this before purchasing. Recycled materials may be used for packaging. Thank you! (The strap in the photos is a commercially available item from a 100-yen shop)