Total Size: 450 x 325 mm / 17.7 x 12.8 inch (L*W); Inner Frame Size: 420 x 297 mm / 16.5 x 11.7 inch (L*W); Basic 11×17 paper (Ledger Size) or A3 paper slides in and fills the transparent are perfectly. So you don’t have to worry about the paper needing to be manually cut to fit in. It flips open the way it does (flexible), makes it easy for someone to swap out a piece of paper.Advantage: 1. Made of durable PVC material, lightweight, waterproof, scratch resistant and easy to clean. The soft magnetic rubber ensures that your documents stay in place without slipping. 2. Double-sided clear display design allows you to clearly understand the poster information from both sides. 3. Self-adhesive backing design is easy to install on any smooth surface, not easy to fall off.Instruction: 1.

Total Size: 325 x 238 mm / 12.8 x 9.4 inch (L*W); Inner Frame Size: 297 x 210 mm / 11.7 x 8.3 inch (L*W); Basic 8.5×11 paper (letter size) slides in and fills the transparent are perfectly. So you don’t have to worry about the paper needing to be manually cut to fit in. It flips open the way it does (flexible), makes it easy for someone to swap out a piece of paper.Advantage: 1. Made of durable PVC material, lightweight, waterproof, scratch resistant and easy to clean. The soft magnetic rubber ensures that your documents stay in place without slipping. 2. Double-sided clear display design allows you to clearly understand the poster information from both sides. 3. Self-adhesive backing design is easy to install on any smooth surface, not easy to fall off.Instruction: 1. Slide your document into the magnetic frame;2.