【Authentic】 ERNIE BALL 4047 Guitar Strap Black POLYPRO STRAP Burgundy Polypro Strap Brand: - The burgundy color of the ERNIE BALL / 4037 POLYPRO STRAPS, a super standard guitar strap loved by many musicians including Eric Clapton! The slide-type adjuster made of Delrin material allows for instant length adjustment! *As this is a used item, there may be some slight wear and tear on the holes, so please refrain from purchasing if you are concerned about this. *We strive to respond quickly, but as we also sell on other sites, please forgive us if it sells out there first.