Kenro black rectangular strut mounts with a silver border are made from high quality card and are a perfect way to present and protect a photograph versatile slip in strut mounts are available in boxes of 50 or packs of 10 and a range of sizes from 6x4 to a4 these a4 strut mounts are for a4 21x30cm photos and once mounted will measure 28x355cm approx 11x14 inches