Features: brand new and high quality 2 sets of 20 pieces in total, three colors are available, offering you more choices. Can be given as small gift to friends or relatives. Environmentally friendly and non-toxic material, harmless to human body. It can be illuminated at night, suitable for children or elderly rooms, attached to the switch button so that they can find the button faster and safer. Small but cute appearance, can be used as home office or school decorations. Specifications: Material: PET Size: Approx. 10x10 for cm/3.93x3.93 inch Style: Blue Button/Fluorescent Green Button/Orange Button Package Includes: 2 Sets Panel Button Sticker note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.