Made with sustainable pine wood. The thickness of these soap dishes may vary a little bit, but they are usually between 5/8" to 3/4". Soap dishes are 3 1/8th" tall x 3 3/4" wide (+/- 1/8") with some variations occurring in size and shape. They are all sanded to 120 grit (Smooth to the touch). All dishes are of solid, one piece construction. No gluing.