Features: Speaker metal pad designed for SONOS Era100 speaker Crafted from durable metal, this style pad enhance your sound quality. Perfect for music lovers who appreciate high-quality sound and modern design. Diameter:Approx.142mm/5.59in; Perfect for use on desks, tables, and other flat surfaces, this pad ensures speaker stays in place and looks great. Frosted finish pad increases stability; Specifications: Material:Metal Color:Black,Silver;(Optional) Diameter:Approx.142mm/5.59in Thickness:Approx.4mm/0.16in for SONOS Era100 speaker; Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xMetal Pad