WALLET CALENDARS Wallet Calendars are an economical and effective way of advertising your company. We offer four designs in two sizes, 2-panel: 2 1/4" x 3 1/2" and 4-panel: 4 1/2" x 3 1/2" folded to a 2 1/4" x 3 1/2". Printed on 80# white uncoated cover stock in 4-color process each design has ample space for your information.