Each envelope is made with a plastic closure slider. It is also punched with 6 holes to fit an A6 binder BINDER FEATURES - Glitter Sequins Binder - Size A6 - 6 ring metal inside closure - PVC cover is durable, dust proof & smooth - size measurements 19.5cm (7.68) x 13cm (5.12) - glitter & sequins’ are loose between two layers of clear vinyl & can be shaken & moved around HOW TO ORDER 1) choose between COVER ONLY or Cover PLUS ENVELOPES 2) Choose your Categories (purchase 1 envelope for every category you want labeled on your envelope ) 3) choose your vinyl color & font (see pics for options) Budget Binder - Cash Zipper Envelopes Starter Kit- Planner Inserts Planners A6 Binder Inserts