【APPEARANCE】 -- A4 Binder 4-ring fixture design, shell soft and transparent, silver round ring, metal buckle closed, can be reused. 【HIGH-QUALITY MATERIAL】 --A4 Binder cover is soft, made of high quality thick 1mm PVC material, waterproof and dirt-resistant, effectively protecting documents from damage, the circular loose leaf ring is made of stainless steel, which is firm and hard, not easy to rust, and can be used repeatedly. 【MEASUREMENT】 --A4 binder cover measures 9.8" x 12.5" (25 x 31.5 cm ), and the round ring diameter is 20mm / 0.78", standard a4 notebook cover, 4 holes round ring binder cover. 【APPLICATION】 -- The A4 Binder can be used for collection and storage of folder, stamps, coupons, tickets, bills, etc. It can also be used as work records, study notes, mood diary, travel diary jacket, very suitable for office, school, travel itinerary, etc. 【PACKAGE】 --1pc refillable clear PVC A4 binder cover per package(NOTE: INNER PAPER NOT INCLUDED). The binder shell can be reused, the metal material can increase the reuse rate, and the inner paper can be replaced after being used up, which is convenient and practical; The metal loose leaf design can easily flip the page, providing a relaxed writing environment, don't restrict hand, can also be easily written on the back of the inner page; Multiple uses, it can be used as classified binder, simple portable ledger, auxiliary inside page storage, etc.