Size one size Vinyl Window Inserts for Billfold Wallets with Wing Bar (Pack of 2)Category: Vinyl InsertVinyl Window Inserts for Billfold Wallets with Wing Bar (Pack of 2) Made of PlasticMeasures 3.75 inches x 2.75 inches Replacement window inserts for wallets with center wing bars Insert has 4 sleeves Sleeves can be used for cards, photos, or spare keys Pack of 2 Vinyl Window Inserts for Billfold Wallets with Wing Bar (Pack of 2) by Buxton. These vinyl windows are meant to be used with most billfold wallets that have a center wing bar. It helps to add extra storage to your wallet, and is great for keeping your spare key on you at all times. Pack of 2. Available in Clear, one size Walmart marketplace seller BeltOutlet specializes in sale-priced Wallet Inserts and clothing accessories for men, women and children. We carry quality belts, wallets, headwear, cold weather accessories including Window Inserts for Men's Wallets. Many items have reduced or rollback prices and most orders ship within one business day.