Specifications: Quantity: 8 pieces Diameter: 12 mm (S size), 14 mm (M size) Color: beige color Apply to: These finger and thumb picks can be applied for electric guitar, acoustic guitar, classic guitar, bass, banjo, ukulele, etc. to quickly and effectively ensure the sound quality stable. Warm notes: This size is for CHILDREN only, to protect their delicate fingers; Please measure the size before purchase Choking hazard may exist, children under 3 years old required adult's supervision before using. Package content: 6 x Finger picks of size S (12 mm in diameter) 2 x Thumb picks of size M (14 mm in diameter) 1 x Sturdy plastic storage box