looseleaf binder custom ring binder leather portfolio LOOSELEAF BINDER Metropolitan Looseleaf Binder have been manufacturing premium quality custom and stock vinyl looseleaf ring binders since a long time. Equipped with the latest state-of-the-art equipment we are reliable and proficient suppliers of letter size three ring binders, legal size four ring binders, A4 Metric looseleaf binders, presentation binders, easel binders, flipchart binders and portfolios as well as a wide variety of custom RF sealed vinyl products. We offer a wide variety of options to allow you to customize your looseleaf binders whether they are for promotional purposes, gifts or catalogs such as foil stamping, embossing, debossing and screening.