Display your accomplishments with pride! Made of durable and lightweight polystyrene, this frame is ideal for displaying documents, diplomas, certificates, awards or photos. It features a beautiful double mat design to truly enhance your document: two overlapping mats, where the bottom mat is only slightly visible.Features: Moulding thickness: 1 1/2 in Moulding material: polystyrene (soft light plastic material) *Includes glass100% recyclable packaging. DeSerres has developed its own social responsibility program: give back. recycle. recreate.