It is produced as a double layer on 5mm MDFLAM - by applying silver-coloured mirrored plexi material. Total thickness is 6mm. It should not be compared with products produced with thinner 3mm MDFLAM material. It can be used in many environments such as home and office to create popular decorations. Product size is 40cm. Clock mechanism - it is a silent moving mechanism. The hour, minute and seconds sticks are metal - also available in black. It works with 1 AA battery. The product contains a battery. It can be cleaned by wiping it with a slightly damp cloth. It is sent carefully packaged in a box specific to its size.