8-1/2 x 11 ins. horizontal one-month custom ersable calendar pack (custom mini dry planner). Each pack contains four one-month calendars that are three-hole punched for use in folders and binders. Full color agency logo located at top with 10% screened image of logo located in center of calendar. Month and date boxes are blank for reuse. Erasable markers included w/each calendar, 20 four-packs per master carton. Please specify logo preference (USA, USAF, USN, USMC) in the Shipping Instructions field of your order or call 800-842-8624 with your logo details.