... Record your mind, homework, work log. The hardcover spiral notebooks made of cardboard, it is hard, strong, ... , with glossy lamationInner pages50 sheets; 80gsm woodfree paperBindingDouble spiral/wire-OPackaging1pc/opp bag; 24pcs per cartonB. OEM ... (choice based on usage) 4. Binding Metal single spiral, Metal double spiral, plastic single spiral; plastic double spiral.C. Service 1. Will refund cost ...