Ideal for framing artwork and photographs, our pre-cut mat boards are crafted with 4-ply thickness (1.4mm), ensuring sturdy and professional framing. Each mat is precisely cut at a 45° angle, guaranteeing a polished, high-quality finish that elevates your pieces without compromising on durability. The acid-free material used in our mats not only safeguards your artwork from deterioration but also ensures long-lasting preservation. Sold individually. For 4 x 6" : 8 x 10" with  3.5 x 5.5" opening For 5 x 7" : 8 x 10" with 4.5 x 6.5" opening For 8 x 10" : 11 x 14" with 7.5 x 9.5" opening For 8 x 11" : 12 x 16" with 7.5 x 10.5" opening For11 x 14" :16 x 20" with 10.5 x 13.5" opening For 12 x 16": 18 x 24" with 11.5 x 15.5" opening For 16 x 20" : 20 x 24" with 15.5 x 19.5" opening