No interfacing used, a convenient size for a quick trip, and plenty of gathers. It's round, plump, and cute! Vertical center 24cm x Horizontal widest part 36cm Lightweight black plastic ring 13cm (inner diameter 11cm) Outer pocket (with plastic button) If items can be combined for shipping, a discount of ¥100 for 2 items, ¥200 for 3 items. Please comment before purchasing. Since I haven't taken a pattern, the size may vary even for bags of the same shape. The props used for taking photos are not included. Please read the profile to prevent any trouble. Thank you very much.