In addition to its original function of protecting the instrument from hand oils and sweat, it also has a strap function that distributes the burden on the little finger over the entire back of the hand, reducing fatigue. Made of genuine leather, the back is waterproofed to prevent sweat from adhering to the instrument. - Color: Brown - Material: Leather and nylon - Type: Instrument accessory Thank you for viewing. It has been cleaned, so there are no odors. It is a used item, but thank you for your consideration.