Stampola Ukulele Mandolin Banjo Chord Stamp (Medium) Portable. Comes in a small, ziplock plastic bag that is resealable. Fits right in your instrument case. Perfect for Students, Teachers or Songwriter Fantastic Learning Tool. Makes remembering that rarely used chord simple, it's right there on your music. Great small gift or stocking stuffer for the mandolin, ukulele, bass or banjo player in your life. Very High Quality - Clear Maple Wood Mount, Rich Red & Moist Vulcanized Rubber and 1/8" Thick Foam Cushion. Made in the USA by Stampola since 2000