Navy metal frame, size 3 frame, perfect for artwork with clear glass. - Brand: Toho Glass Beads Co., Ltd. - Size: Size 3 (equivalent to a shikishi board) Inner dimensions: 24.5 x 28.0 cm - Color: Navy - Material: Metal frame - Features: With clear glass My mother bought this and stored it away. It's unused. It's specifically for push art & bead stitch, but I think it can be used for various purposes if you modify the inner lid. You can display your own artwork, favorite photos, and even three-dimensional works. The height is about 2 cm as shown in image 9. Thank you for looking.