1. Material: ABS, celluloid2. Size: 2.5 3 cm, thickness 0.46 mm, 0.71 mm, 0.96 mm3. Applicable: acoustic guitar, electric guitar, bass, ukulele, etc4. Features: translucent tone, thin paddle tone is crisp, thick paddle tone is full, comfortable feel, easy to use and free, light and durable, diverse colors, small and convenient5. Role: protect your fingers, facilitate quick play, clear sound