... ,hish wlasticity,bed mattress core material,easy to clean, thickness:1-5cm,white. elastic mattress core material is made of Polymer resin. ... and keep 100% of spring-shaped, is an ideal core material of modern mattress the best choice, we can manufacture ... customer requirements of all kinds of models. Elastic mattress core material,hish wlasticity,bed mattress core material,easy to clean, thickness ...