Product Features: The products is flexible with the design of elastic silicone, and with good air permeability of porous design. The fingers will not feel uncomfortable after wearing long time. It is tasteless with elegant colors and good touches. There are non-slip particles inside the fingerstall to strengthen limited slip effect. The porous design with good air permeability, there is opening at the fingertip, which is more convenient for girls with long fingernails. It is very easy to pull out needles and protect fingers for Splicing or line pressing, especially for cross-stitch. Excellent limited slip effect is very good for using in sewing or quilting sewing work which is difficult to pull out needle because of thick fabrics. Elegant famille rose colors can make your handwork more fresh. Specification: Application: Guitar, Ukulele , Electric guitar and other guitars. Product material: Silicone with high elasticity, tear resistance 100%. Food-grade silicone with the withstand temperature -40-230 degrees Celsius. Performance: Anti-slip, finger pain resistance, cold-proof , sweatproof. Size: S: Height 25mm / 0.98 in, upper diameter 14mm / 0.55 in, lower diameter 18mm / 0.71 in; M: Height 28mm / 1.10 in, upper diameter 15mm / 0.59 in, lower diameter 20mm / 0.79 in. L: height 30mm / 1.18 in, upper diameter 17mm / 0.67 in, lower diameter 23mm / 0.91 in. It has 3 size in one set(12pcs), each size has 4pcsincludes:1 set x 12pcs Guitar Thumb Picks