Package Content: This set contains 12 finger picks, including 8 durable silver stainless steel picks and 4 comfortable black plastic thumb picks. The silver picks measure 0.83 inches in length and 0.7 inches in diameter, while the black picks are 1.5 inches long and 0.59 inches in diameter. Designed to fit most adult fingers, please confirm your finger size before use. Premium Material: The stainless steel finger picks are lightweight, sturdy, and free from unpleasant odors. Their appropriate flexibility allows for a secure fit on your fingers. The black thumb picks, made from high-quality ABS plastic, are comfortable to wear and provide excellent protection for your fingers and nails. Flexible Design: These finger picks feature an adjustable bending range for a personalized fit. Simply insert the metal picks onto your fingers by bending the openings. The soft metal ensures that the picks maintain their shape while providing comfort during use. Wide Application: Ideal for guitar practice and other string instruments, these finger picks help reduce pain and sweat, protecting your fingers during play. Compatible with various instruments, including electric guitars, acoustic guitars, classical guitars, basses, banjos, and ukuleles. Use them for daily practice or as thoughtful gifts for music-loving friends and family. Key Benefits: - Durable stainless steel and ABS plastic construction for longevity and comfort - Adjustable design for a customized fit on most adult fingers - Provides protection for fingers and nails during practice sessions - Versatile use across multiple string instruments