3 Sizes: Sizes are 34x25cm, 25x19cm, 18x13cm, 1pcs for each size,3pcs in total. The surface is smooth and burr-free and will not hurt your hands. Ancient Chinese Papermaking: papermaking is one of the four great inventions in China, with a long history, you can use this set to experience and understand Chinese papermaking and culture with your children Easy to Use:Work with natural wood or cotton pulp materials or matt recycled paper, or add paper skins, petals and flat leaves to create one-of-a-kind paper paintings. It can also be dyed with ink and paintf Premium Wood Frame: Made from high-quality wood, these hardwood frames are eco-friendly , with precision mitered and securely fastened corners that are very practical Enjoy the DIY Process: help children learn how to create a sheet of paper, and will greatly enhance their awareness of environmental protection. The DIY paper making process is a great way to spend quality time with your kids!