Unique and Custom (1.5 mm Thick) Heavy Gauge Hard Plastic, Mandolin Style"Semi Tip" Guitar Pick w/Long Coral Rock Varied Striation Design {Black, White & Pink - 12 Picks Dozen Bulk Multipack} THINGS TO CONSIDER: This is a MEDIUM thick guitar pick. Medium picks are aptly named as they are a happy medium and are used by many players who jump from chords to picking. The increased thickness makes them better for precision picking while still being a good strumming pick. This is a plastic pick. Less dense picks (plastics, nylon) provide a brighter sound. THE QUALITY: This guitar picks materials are sourced from only the very best manufacturers and are made in Japan and stored in the United States. WARRANTY: Each pick comes with a lifetime warranty and is guaranteed to last you the life of your guitar. This pick is guaranteed against any manufacturer defect and each buyer is guaranteed one free replacement for any manufacturer defect that occurs during the course of the original buyers lifetime. This replacement is guaranteed by the manufacturer itself. THE MATERIAL: This product is composed of hard and durable rubberized plastic. Key Product Feature area to say the following: THE COLOR: The color on these Guitar Picks is fused with the hardened plastic itself and is guaranteed by the manufacturer to not fade over time through normal use.