Materia l: 100% Natural Wood (polished, smooth edges) Design : Dual-frame with 16 rollers (8 on each side) Roller Types : Acupressure knobs for deep stimulation Grooved and spiked rollers for circulation boost Size : 10.5 length × 7..7 width × 1.3 height (Portable and lightweight, suitable for home, office, or travel use)