Palm-sized black leather-look cover holds a dual-powered (solar or battery) 8-digit calculator on inside cover. Calculator features a large numerical display with adjustable angle and rubber keys. Portfolio chipboard includes 35% recycled material. Comes with a 3-3/8" W x 5-1/2" L writing pad made with 50% recycled paper and 30% post-consumer waste, and a SKILCRAFT rubberized-grip retractable pen made using a minimum of 80% post-consumer recycled plastic. Bound side measurement listed first.