Detailed Product Description ZS-20A3 A3 20 pockets display book size:438*327*15mmZS-40A3 A3 40 pockets display book size:438*327*25mmPacking:ZS-20A3 1pc/opp bag,12pcs/inner box,48pcs/ctn cbm:0.071 ZS-40A3 1pc/opp bag,12pcs/inner box,48pcs/ctn cbm:0.113