[Quantity and Thickness] Includes 20 pieces of plectrums, 4 different thicknesses, thin/0.46mm, medium/0.71mm, heavy/0.96mm, extra heavy/1.2mm, to suit all your different needs. [High Quality] High-quality celluloid material, smooth and sturdy, gives you a great sound on your instrument. [Compatible Instruments] These plectrums can be used for various types of instruments, such as electric guitar, acoustic guitar, classical guitar, bass, banjo, ukulele, etc. [Nice Case] The plectrum set in a nice box, which fits in your pocket or case, keeps your picks safe and easy to carry. [Perfect Gift] Plectrums in beautiful random colors, are not only a practical gift for yourself, but also a perfect gift for any guitarist or bassist. Special Reminder: Our store has a 24-hour customer service team that responds quickly and takes customers' shopping experience as the first standard. You can buy with confidence and welcome your arrival.