an object is to provide a hygienic pad that has a suitable thickness to provide the repulsive force of or above a specified level and the body holding property, is light in weight, has excellent air permeability and is washable with water. the central material for cushion 1 comprising the three-dimensional network-like structure, which is comprised of a thermoplastic polyethylene resin, a thermoplastic polyester elastomer or a mixture of a thermoplastic polyethylene resin and a thermoplastic polyethylene elastomer. The three-dimensional network-like structure has a first layer that includes a thermoplastic resin and a second layer that is stacked on a single surface or both surfaces of the first layer and includes a different thermoplastic resin from the first layer thermoplastic resin. the three-dimensional network-like structure has an impact elasticity of not lower than 13 cm, a hysteresis loss of not higher than 34% and not lower than 13%, and a thermal expansion index of 0 to 8% in the longitudinal direction before and after a hot air drying test that is carried out at a temperature of 90 ° C for 30 minutes with respect to the thermoplastic polyethylene resin, which is carried out at a temperature of 130 ° C for 30 minutes for the polyester thermoplastic elastomer and which is carried out at a temperature of 90 ° C for 30 minutes for the mixture of the thermoplastic polyethylene resin and the thermoplastic polyethylene elastomer.um objeto é para proporcionar uma almofada higiênica que tem uma espessura adequada para fornecer a força repulsiva de ou acima de um nível especificado e a propriedade de segurar corpo, é leve em peso, tem excelente permeabilidade do ar e é lavável com água. o material central para almofada 1 compreendendo a rede tridimensional-como estrutura, que é compreendida de uma resina termoplástica de polietileno, um elastômero termoplástico de poliéster ou uma mistura de uma resina termoplástica de polietileno e um elastômero termoplástico de