Stampola Guitar Chord Stamp Set - 2 Fretboard Rubber Stamps (5-Fret Large and 5-Fret Mini) Portable. Stamps each come in their own small, ziplock plastic bag that is resealable. Fits right in your guitar case. Each stamp is handmade in Dallas, TX. They are 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 Great small gifts or stocking stuffers for the guitarist in your life. Fantastic Learning Tools. They make remembering that rarely used chord simple, it's right there on your music. Perfect for New Guitar Students, Guitar Teachers / Instructors or Songwriters