These felt picks are made of synthetic feltDo not make a percussive sound as the plastic and metal picks when you hit the stringsIt's suitable for ukulele and .The touches soft and comfortable with synthetic felt material which helps to provide a very mellow authentic sound.This felt picks is easy to hold than other plastic picks with synthetic felt surface,and also you can enjoy a smooth playing.The is made of high-density felt material,it is firm and durable enough for your Ukulele and guitar,it will not mark or scratch your Ukulele.Color:WoodMaterial:feltSize:3*25*03cmWeight:2g.Package Contents:5 x Felt PicksOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.