MATERIAL: Glass slide plastic protective finger pick set is made of high-quality stainless steel + glass + celluloid material, durable and can be used for a long time, not easy to damage, safe and reliable to use. FUNCTION: The glass slide plastic protection finger pick set is to slide smoothly on the strings, producing a softer, more subtle, and more harmonious sound. The picks can increase your playing fast and protect your fingers. SIZE: The size of the glass slide plastic protection finger pick is about 5 cm/2.0 inches, 6 cm/2.4 inches, 7 cm/2.8 inches (slides), and the size is very suitable for compliance with the standard. PACKAGING: Glass slide rail plastic protection finger pick set contains 1 * stainless steel slide rail, 3 * glass slide, 4 * finger pick, 1 * plastic box, the packaging quantity can meet your daily needs. APPLICATION: Glass sliding rail plastic protection finger pick set is light and durable, convenient to carry, and long use time. Suitable for playing guitar, banjo, ukulele or other stringed instruments.