2 Pocket Pro Binder White - Rules of Play says:

With a sleek, white exterior, the 2-pocket PRO Binder keeps your cards handy and safe. Holding up to 80 cards, the inner pages feature an embossed middle black web material designed to give cards a classic, framed look. When closed, your PRO Binder is securely fastened with an elastic strap. The small size makes this the perfect PRO Binder to take your tradeable cards on the go!