Guitar Picks:these felt picks are made of wool felt.Do not make a percussive sound as the plastic and metal picks when you hit the strings.It's suitable for ukulele and guitar strings. Soft and comfortable:the guitar picks soft and comfortable with synthetic felt material which helps to provide a very authentic sound. Smooth and non-slippery:this bass felt picks is easy to hold than other plastic picks with synthetic felt , and also you can enjoy a smooth playing. Firm and : the guitar picks is made of high-density felt material, it is firm and enough for your Ukulele and bass guitar, it not mark or scratch your Ukulele. Features: The felt picks soft and comfortable. Nice for Ukulele, Guitar and other low tension instruments. Don't make a percussive sound like the plastic and metal picks. Comes with 8 colors felt picks. Felt picks material: synthetic felt Felt picks quantity: 40 pieces Felt picks size:3 cm x 2.5 cm x 0.4 cm(, green,thirsty blue, hot pink, yellow,orange.) ; 3 cm x 2.5 cm x 0.3 cm(blue & cream) different sizes to meet your different requirements Felt picks colors: , green, blue,thirsty blue,hot pink,yellow,cream,orange Material: wool felt Package Contents: 40 x Felt Picks. Only the above package content, other products are not included. Note: Light reflection 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.