Thank you for viewing! This is a handmade, large tote bag. It can be used as an eco-bag or a sub-bag. A4 size fits with room to spare. No interfacing is used. The outer and lining are made of oxford cloth. Interfacing is used only for the handles. There are two inner pockets with dividers. The handles are reinforced with two lines of stitching, making them sturdy. The handles are 50cm long, so you can carry it on your shoulder. Size: Height (including gusset): 36cm Width (top): 38cm Width (bottom): 28cm Gusset: 10cm Inner pockets: 2 Handle length: 50cm