PORTABLE----This is a mini top. You can put it in your pocket or backpack and play with it anytime. PERFECT LITTLE TRINKET TO CARRY AROUND ---- This is a mini top. It is only 1.18 inches in diameter and 1.4 inches in height. Please use a ruler to estimate the size of this product. You can put it in your pocket or backpack and play with it anytime. HELPS IMPROVE CONCENTRATION----According to recent studies, fiddling with items at your desk can aid in thought process and improve productivity! HIGH QUALITY ----Made of stainless steel, precision carving process, has a smooth , no burr, not rusty and fade, always looks as good as new. KILL TIME----When you get bored and feel there is too much pressure, you can put it on your desktop, start it, quietly watching its fascinating whirl, it be fascinating to you. It can kill time and help you relieve stre. Type: Top Colour:Silver Material:Metal Size:3 x 3.6cm Package Contents: 1 x Top Only the above package content, other products are not included. Note: Light 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.