Guitar Chord Stamp (Large) - 4 Fret. Portable. Comes in a small, ziplock plastic bag that is resealable. Fits right in your guitar case. Perfect for Students, Teachers or Songwriters Great small gift or stocking stuffer for the guitarist in your life. Very High Quality - Clear Maple Wood Mount, Rich Red & Moist Vulcanized Rubber and 1/8" Thick Foam Cushion. Fantastic Learning Tool. Makes remembering that rarely used chord simple, it's right there on your music.