Description: 【Glass Guitar Slide Feature】: Made from glass, heat treated and annealed for smooth performance, smooth, sturdy. Accentuate the middle harmonics of your sound, and provide warm, silky bluesy slide sounds, suitable for slide guitar, acoustic guitar and bass 【Guitar Slide Metal】: Compared to glass, metal slides are harder and heavier. Resulting in a sound that is both brighter and harsher, with a longer sustain. Which is why be the slide of choice for electric guitar in and roll/blues genres. Will work great if you want to achieve a heavy sound. Metal slides are ideal for creating long and slow notes. This can well if you are using an electric guitar 【Guitar Slide And Picks】: Guitar picks as necessary asset for any guitarist, those guitar picks included will supply a good convenience during guitar practices 【Convenient To Carry】: Package included: 1 glass guitar slide, 1 gold slide and 1 silver slide, 6pcs cool guitar picks, 4 thumb pick and 1 pick case, 1 brown bag 【Versatile Use】: Ideal for live performances, studio recordings, practice , and creative improvisation, making it a versatile addition to any guitarist's toolkit Specification: Material: Glass Size Chart: Guitar Slide Diameter: 2.5cm/0.98inch Thumb Pick: 1.7cmx2.7cm/0.67inchx1.06inch Pick: 2.57cmx3cm/1.01inchx1.18inch Pick Case: 4.6cmx5cm/1.81inchx1.97inch  Package Includes: 1 Glass Guitar Slide 1 Gold Slide 1 Silver Slide 6 Guitar Picks 4 Thumb Picks 1 Pick Case 1 Brown Bag Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.