Zicome 100/Box Loose Leaf Metal Binder Book Rings, 1 Inch Capacity, Silver Rings keep keys, sheets, memos, and invoices together in one place User friendly - easy to pull open and squeeze to close Easier than split rings; doesn't put holes in papers like staples Steel rings - strong, durable, and non-rusting Loose leaf rings in 1 inch capacity hold up to 175 sheets; silver; 100 per box