1. Prevents cracks and warping in the instrument from dryness.
2. Helps keep the instrument’s sound quality and condition.
3. Stops the piccolo’s pads and cork from drying out.
4. Materials: Highly absorbent polymer, non-woven fabric (outer fabric: 100% cotton)
5. Size:About 30×60mm
6. Replacement:Around every 2 years after opening.