Methanol is very toxic, which has the greatest influence on the nervous system and blood system of human body. Toxic reactions can occur after ingestion through digestive tract, respiratory tract or skin, and methanol vapor can damage human respiratory mucosa and vision. Attention, it will be poisoned if you drink it!
We usually say that the sponge used for clothes and shoes is polyurethane soft foamed rubber. Polyurethane is the most common polymer material in life, which is widely used to make various "sponge" products. And elastic materials for shock absorption and friction resistance, such as soles and tractor tank track bases.