Feature:1. Premium Materials: High elastic fabric, no pilling, comfortable to wear. Round corners, no injury to hands, safe guarding, length can be adjusted at will.2. Pen Control Positioning: Soft silicone pen control positioning rings, correctly grasp the pen in one second. Position the jaw and correct the pen holder to put the jaw to write.3. Precise Fixed Point Design: Precise fixed point design allows the pen holder to lean on the root of the index finger. Fingers can move freely without hindering writing.4. Widened and Stable: The wrist strap is widened by 65%, and the fixation is strengthened. The keel does not slide or move, and it closely fits the wrist.5. Ergonomic Design: Adopts ergonomic design, "s" shaped keel, which can strengthen support and prevent wrist hook.Specification:Item Type: Pen Hold CorrectorMaterial: ABS, Nylon, Silicone.Package List:1 xPen Hold Corrector