Ernie Ball Everlast picks are made from a highly durable, hard-wearing Delrin material which also has the benefit of a more secure, non-slip surface for good playing grip. Delrin has a bright sound with a strong attack. Player pack - 12-picks Ernie Ball Everlast picks are made from a highly durable, hard-wearing Delrin material which also has the benefit of a more secure, non-slip surface for good playing grip. Delrin has a bright sound with a strong attack.