... 3,Waterproof and breathable 4,Finely peocessed Polyurethane(TPU) foam or sponge:TPU foam with many kinds, white,black,blue,etc ... Dongguan City of Guangdong Province, which is the earliest TPU film manufacturer in China. As the leading manufactory in China ... products, inflatable products and other durable material.Product Advantage TPU material is without any air pollution when burned. moreover,they ...