The 12 Pack Itoya Art Profolio Album allows you to easily add or change your presentation without messy glue or tape. Just slide your artwork into the crystal clear polypropylene "pocket" pages for a highly organized and ever lasting artistic presentation. Art Profolio is made of durable polypropylene. It protects your artwork or documents from virtually any office or house hold elements. Each of the permanent polypropylene pocket pages are designed to lie flat while open. All pages include acid free archival quality black mounting paper. Reversible spine insert included for easy titling of contents