PIONEER-This 8"x8" leatherette memory book is postbound and includes 10 top-loading page protectors with 10 heavy paper white inserts for 20 layouts. Acid free. Washable durable cover with expanding library spine seamless clear polypropylene protectors memo pocket page included for photos up to 4"x7" or memorabilia screw post binding system allows pages to lie flat and plastic screw post reinforcers included. Archival photo safe lignin and PVC free.