Wheatware Heavy Guitar Picks, 12 Pack, 1.5mm Heavy (1.5mm) used for lead guitar, heavy string attack and strumming World's first biodegradable, award-winning, wheat guitar pick! Crop-based, reduces oil dependence, made in the USA! Easy to grip, non-slip raised lettering. When done, throw in the garden, they biodegrade and disappear. They can provide a great edgy tone with a natural feel...not just a pick...inspiration! Heavy (1.5mm) used for lead guitar, heavy string attack and strumming World's first biodegradable wheat guitar pick! Crop-based, reduces oil dependence, made in the USA! Easy to grip, non-slip raised lettering. When done, throw in the garden, they biodegrade and disappear. They can provide a great edgy tone with a natural feel...not just a pick...inspiration!