[super large binder] the length is 20cm, and the large black binder can be opened 2 inches wide. It can accommodate about 300 pages of comfort and large capacity. You can use it to make air watercolors and put paper on the back plane. [lifting hole design] open a round hole (13mm) in the handle. You can use ropes, wires, nails through the big hole and hang them on the wall, door, bulletin board or anywhere you want. [design elegant] the ox tongs are made of heavy stainless steel and painted with black enamel. They are smooth and sturdy for longer life. Don't worry about the clip being scratched. Good black surface finish gives the Bulldog clip an elegant look that matches the frame. [Good Sealing] Powerful springs ensure strong clamping force and seal the bags tightly to prevent food from entering in contact with extra air, causing spoilage and spoilage and allowing food to stay fresh longer! [Widely Used] Portable and versatile for all types of organizational projects. Perfect for showing off your crafts, photos, calendars, recipes, DIY frames, drawings, paper and cards. Apply for a generic sketch in a store, home, classroom, or office, firmly holding a top lid and sealing the food bag.