Our products are 100% handmade and produced from a special high quality concrete mix. since they are produced from high quality concrete material, there is no cracking or scratching in hot and cold air passages. due to the nature of the concrete material, tiny air gaps may occur on the surfaces. set content: pen holder, business card holder and note holder. you can choose the color. dimension information of the productsbusiness card holder width: 9.5 cm height: 20.50 cm note holder size is 10x10 cm and height is 6 cm. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.