Product Weight: 1600.0g color:Silver Material: metal + plastic The Automatic Wristwatch Shaker Box is a sleek and to keep your mechanical watches running smoothly. With USB power, it rotates the watches, preventing lubricants from congealing and keeping the timepiece accurate. The rotator holder is designed to securely hold your watch in place, and the stylish color adds of luxury to your watch storage. The watch is not included. Slight color differences or differences in the actual product do not affect use. Package Contents: 1 x Watch Winders Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.