materials A4 plastic 4 hole binder cover made with soft, eco friendly PVC. The material is flexible and clear, allowing easy viewing of inner pages while protecting inserts. Binder size and compatibility Folded overall size: 27 x 32.8 x 4 cm (10.6 x 12.9 x 1.6 in). 4 ring binder shell designed to fit standard 4 hole pages. Reference page size is approximately A4 (23.8 x 31 cm / 9.4 x 12.2 in). capacity and secure closure Binder rings are sturdy stainless steel with a 20 mm (0.79 in) diameter for smooth opening and closing. Can hold about 100 to 150 pages. Snap button closure helps keep papers from falling out. Widely used and versatile Ideal for 4 hole loose leaf paper, stamp and die storage, bullet journals, diaries, travel journals, business notebooks, office or school use, poetry, creative writing, sketches, work records, and study notes. A practical option for use or as a gift for friends or family. Use scenarios Student notes: organize class handouts and assignments in a clear, protected binder that fits standard A4 pages. Travel journal and planning: carry travel notes, ideas, and sketches in one compact binder that stays closed while on the go. Craft and stamping: store stamps, dies, and related inserts in the durable, easy view binder for quick access.