... 2,good elastic 3,density by demand 1, factory direct sell,professional manufacturer2,good air premeanlity3,good limpness4 ... industry, filtering industry, equipments, machinery, cushions, mattress, aquirum equipments,etcadvantages: 1, factory direct sell, complete price;2, professional engineer ... ,EVA,PE,EPE,XPE,IXPE,CR,SBR, MELAMINE FOAM,CELLULOSE FOAM can be provided together, good option5, adhesive, ...