SAFE DESIGN: Track Field Relay Baton are designed with an extremely smooth surface to make hanoffs easy and safe without injury from jagged aluminum. They are which allows the runner to focus on their form and technique instead of a heavy weight in their hand. GREAT MATERIAL: The aluminum we use is picked to last for as long as you will need. Colour:random color , don't accept the specified color Material:aluminum alloy Size:about 29 x 3.8cm Package Contents: 8 x Relay Batons 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.