Changing chemical elements into happiness! In addition to textbooks and products, how can chemical elements be integrated into life? Mr. Sai has launched two element symbol spelling pillows, which will let you do everything well. Come and collect BeEr without any problems, so that you can feel the joy of chemical elements everywhere in your life. Product specifications: ► Size: 40*40cm (a group of 2) ► Material: pillowcase: composite short velvet; pillow core: environmentally friendly PP cotton ► Manufacturing location: Mainland China Precautions: 1. Do not iron, bleach, or expose to the sun.