Size: Spring-mouth pouch: Approximately 10.5 x 10.5 cm (no gusset) Pin badge: Approximately 3 cm The inside is a color like misty green. Please feel free to comment if you have any questions. (Please note that those who purchase will be given priority, even during comments.) Each item is carefully made, but as it is a handmade product, it is not perfect. Also, there may be millimeter-level errors in the dimensions, so please purchase only if you understand this. Please see the profile.