StoreSMART - Deluxe 4" x 6" Full Back Magnetic Photo Frames - 20-Pack - Sealed 3 Sides - H32304-20 8-gauge crystal clear vinyl fronts, full magnetic backs. Inside capacity: 4" x 6". Open on the long side for ease of use. No risk of cherished photos bending during insertion. Works with dry erase markers. Proudly manufactured in the USA.