Natural grown high-quality - Each wood slice is smoothed and polished, ground to the surface, and pre-drilled with a small hole so they are easy to hang. Advanced and safe physical techniques - Scientific control of moisture in wood slices. We do our best to prevent drying and cracking of the wood slices. Strict quality control - From raw materials to completed packaging, we follow three inspection standards, and discard all defective wood slices. Can be used as a photo frame