The natural wood color is soft and elegant, and the natural flow changes but is not present, It is a spiritual wood that feels greasy, warm, and lively North American black walnuts have light brown to brownish black stripes and a combination of fine, flowing sand like textures, Hiding beauty deep and revealing it in the texture Photo frame technology Wood wax oil surface treatment The bottom magnetic suction design makes it more stable to place on the desktop. There are two styles of horizontal and vertical swing Inner frame size 3 inches 5.5 x 8.4cm 4 inches 7.6 x 10.2 cm 5 inches 8.9 x 12.7 cm 6 inches 10.2 x 15.2 cm 7 inches 12.7 x 17.8 cm 8 inches 15.2 x 20.3 cm Attention: If you need to leave white space around the artwork, please take a larger size!