(12) Pack BoloPick Ukulele Picks, Black. PROUDLY MADE IN THE USA. BoloPick Ukelele Picks are smaller & softer than typical felt Picks. Standard 351 guitar pick shape, 3mm thick. They are made of an exclusive synthetic felt which ensure a mellow authentic sound. Perfect for Ukulele, Great for Bass Guitar.... EXCELLENT GIFT ITEM. Proudly Made in the USA by BoloPick