Features: With its own hygrometer, it can better measure the humidity of the surrounding environment and prevent reed from being affected with moisture. Magnetic switch, simple design and convenient switching. Adopting high-quality hinges, it is not easy to deform or fade, and is durable and long-lasting. The combination of internal plush and sponge, with organic glass placed at the reed, provides better protection for the reed. Rubber-band design prevents reed from loosening, making it a good choice for carrying whistles when going out. A box can hold 5 reeds. The box is small and portable. Specifications: Material: Solid wood Color: Log/Amber-color Size: Approx. 12x10x1.5cm/4.72x3.94x0.59inch Package Includes: 1x Reed Box note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.