Durable material: these finger picks are main made of stainless steel, sturdy and durable, no pungent smell, appropriate bending amplitude and tightness can fit your fingers well; The guitar thumb picks are made of ABS material, which is comfortable to use, providing you with nice protection for your fingers and fingernails | Open design: this open design which means you can feel the strings for extra control, they are exquisite gifts for your friend who likes guitar or bass player, or for personal use; Please don't get discouraged if you can't play them the first time you put them on, and do more practice | Flexible size: you have to fit the metal picks to each finger by bending the openings, the metal is pretty stiff, which is good for retain their shape; Please be careful of the size, this size is suitable for most adult fingers but please confirm the size of your fingers before ordering | Main functions: these guitar picks are mainly applied to protect fingers from pain and sweat, making the sound of the instrument fuller and more realistic; Practical accessories for helping practice guitar and improving your performance | Fit most instruments: these guitar thumb and finger picks can be applied in playing electric guitar, acoustic guitar, classic guitar, bass, banjo, ukulele and so on, which help you quickly and effectively ensure the sound quality stable, strengthen guitar bass and graininess