The KALEIDO series alternatives are product of a copolyester material referred to as "Tritan" ("Tritan" is a hallmark of the Eastman Chemical Company, Tennessee, USA) Tritan is clear like glass, yet sturdy and simple to shape Ibanez is the first company to utilize this exotic materials for guitar alternatives KALEIDO picks have bold, colorful graphics and a milder sonic attack, making an allowance for an effortless management of nuance and touch KALEIDO choices are barely softer in comparison with ordinary picks and are available in 3 different thicknesses: medium heavy, heavy and extra heavy CP14=Teardrop Shape CP14MH = Medium = zero CP14H = Heavy = 1 CP14XH = Extra Heavy = 1 CP16 = Short Teardrop Shape CP16H = Medium = 1 CP16XH = Extra Heavy = 1