Material: Lignum Vitae, African Ebony, Indian Chestnut and Bloodwood. Instrument: We recommend these Guitar Picks for Electric Guitar. Tone: We have chosen 4 hard Timbers so they may slightly brighten the sound of your guitar. Design: Timber Tones are CNC Milled from the very best quality timber then hand sanded and hand polished to give them their amazing shine and smoothness. Timber Tones unique shape is roughly based upon the classic 351 shape, however they are 2.4mm thick where you hold them, chamfering down to 0.7mm at the playing tip. These Guitar Picks have been laser engraved with Merry Christmas on one side. Contents: This Gift Box contains 4 Merry Christmas exotic timber Guitar Pick. Notes: Although we have tried to ensure that our photos represent the Guitar Picks that you will receive, there is a high level of variety in our picks due to the nature of many of our natural materials.