The 15pcs guitar thumb and finger picks are mainly applied to protect fingers from pain and sweat, making the sound of the instrument fuller and more realistic. Features: This size is suitable for most adult fingers but please confirm the size of your fingers before ordering. The set includes 15x guitar thumb and finger picks and 1x storage box, the color of guitar picks is random. Made of high quality stainless steel and plastic materials, appropriate bending amplitude and tightness can fit your fingers well This open design which means you can feel the strings for extra control, they are exquisite gifts for your friend. They can be applied in playing electric guitar, acoustic guitar, classic guitar, bass, banjo and so on, which help you quickly and effectively ensure the sound quality stable. Specifications: Material: Plastic, Stainless Steel Color: Random Color Guitar Thumb Pick Inner Size(LxW): 1.92 x 1.32 cm(Approx.) Guitar Finger Pick Inner Size(LxW): 1.92 x 1.32 cm(Approx.) Stainless Steel Guitar Pick Width: 1.7 cm(Approx.) Package Contents: 15PCS x Guitar Picks 1 x Storage Box Please note: Please confirm the size of your fingers before ordering. Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.