Crafted with meticulous techniques, this wall art uses premium natural gravel and baseboards. It goes through precise plate-making & cutting, hand sand rolling with multi-layer coloring, repeated color testing & calibration, then air-dries naturally before being hand-mounted into a 3D sandstone artwork. The delicate sandstone particle texture and natural uneven texture, combined with multi-layer stacking, create rich layers and 3D visual effects. It also comes with energy-efficient soft light strips, and each piece boasts both moisture-proof & sound-absorbing properties and a one-of-a-kind modern artistic touch.