1)material:glass 2)dia:12cm 3)with LED light:2 pcs CR2032 battery 4)hand drawing on face,xmas tree inside LED Xmas ball ... ) it is made of glass.2)diameter:12cm,thickness:0.8-1mm,with opening.3)with LED light,light change colours in red,blue ... and green slowly,using 2 pcs of CR2032 batteries.4)with glass christmas tree ...