Pieces of 20*20cm will be sent. our product is not a glass mirror, it is a decorative mirror plexiglass with a mirror effect. it is very simple to use, the adhesive protector on the back surface is removed and adhered to the cleaned floor (wall, furniture, wood, metal, etc.) valid until 17 october 2026. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.