Description: Chain material: Pendant material: Alloy Technology: electroplating, glue Size: chain length 50-55cm/19.69-21.65inch pendant size: 2.45cm*2.1cm/0.96*0.83inch Connection buckle: 0.9CM/0.35inch stainless steel buckle Weight: About 9g Package Includes: 1 x Necklace+1xColor card Note: change color with temperature change, black below 14 degrees, change of different colors between 14- 38 degrees, change color of temperature change, temperature change, color change, details reference picture and personal experience Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
