Stained Glass Guitar Pick
(Jazz Shape, 20.5mm Width x 23.5mm Length)
(2.75mm Thickness, Tapered/Beveled to Approximately 1.5mm Point/Tip)
since these are made of glass i cannot guarantee that they will not wear down. they will last a long time if cared for. Agate is much stronger and will not wear down with normal use, but glass has the possibility to wear down.