Features:

• 5 Inch D-Lock Rings hold 25% more paper, up to 880 sheet capacity. Features strongest binder covers and extra durable hinge for years of reliable use.
• Customizable cover and spine. D-Lock never-gap rings close tightly. Single-touch trigger opens all 3 rings with one finger. Four interior pockets provide additional storage.
• Custom formulated, PVC Free polypro materials lasts up to 10x longer than vinyl. Black Binder.