Wilson Jones Heavy Duty 3 Ring Binder with Extra Durable Hinge, 1.5 Inch Round Ring, 4-Pack, Black (W70364-34NBPP) 4 pack of our strongest binder covers and extra durable hinge for years of reliable use; 3 ring binder covers and spine will not rip apart; 1.5 inch round ring binder holds 350 sheetsNever Gap Rings prevent papers from accidentally coming loose; all three rings close tightly every time you add or remove a page; custom formulated, PVC Free polypro material lasts up to 10X longer than vinyl.Organize. Present. Store.This durable Wilson Jones Heavy-Duty 3-Ring Binder is perfect for extended classroom use and archiving. Traveling back and forth from school, work and home can be rough on the things in your backpack or briefcase, jostling your supplies around. A heavy-duty binder keeps papers safe and protected so the time you spent organizing doesn't go to waste, and the 4-pack is a great value.Featuring a clean look and classic matte construction, the binder holds up to 350 sheets within its 1.5-inch round rings and the 4-pack is the cost-effective choice. Sheets are instantly secured by the three traditional round rings with top and bottom open-and-close triggers, and any unpunched paper can be stored in the pockets on the interior of the binder covers. The PVC-free polypropylene construction makes this binder more durable and safer for the environment. It will not break down in cold weather, does not release harmful toxins into the air, and is 10 times stronger than vinyl. We only accept PayPal.We only ship within the continental USA.Ships in 1-3 business days via USPS, FedEX or UPS Ground.Satisfaction Guaranteed on ALL orders.30 day return policy.We’ve been in business for 30 years.We understand customer service is CRUCIAL to our success.Buy with confidence. Check our Feedback.We stand behind every order!