Sell more with this reveal box which will show your photos to their maximum. Construction is very sturdy with concealed 3mm wood. Lux lid where the magnets are hidden inside the lid. Magnets are powerful enough to allow you to place the box upright. Mount size with white core is 400 by 330 mm to hold photos of 10×7″ (175mm by 254mm) White border is 50mm all round. Mounts are sold in packs of 10. Photos slip in from the top.