Materia l: 100% Natural Wood (polished, smooth edges) Design : Dual-frame with 10 rollers (5 on each side) Roller Types : Acupressure knobs for deep stimulation Grooved and spiked rollers for circulation boost Size : 10 length × 6.2 width × 1.2 height (Portable and lightweight, suitable for home, office, or travel use)