Fred Kelly Picks Nylon Flat Guitar Picks (36 picks) Medium Nylon Flat Guitar Picks (36 picks) Medium Fred Kelly's Flatpicks come in nylon, delrin, or polycarb materials The nylon material is very durable yet flexible and creates a soft sound on the strings These picks have a unique fine textured grip, and has a slight ridge around the thumb area to ensure a firm grasp 36 to a bag, choose gauge