Catalog number: KM-303 Features: ●Does not get stuffy even when worn for a long time, and allows for smooth office work. ●Rubber type with strong friction that can be easily turned over. Specifications: ●Size: L ●Inner diameter (mm): 16.5 ●Length (mm): 14 ●Color: Blue Material/Finish: ●Synthetic rubber *Contains some natural rubber Caution: ●This product does not have conductive properties.
