SPECIAL KNITTED FABRIC 200G FIBER 3 LAYER SOFT FOAM 4CM H.D REBOUNDED FOAM 1.5 CM FOAM 5CM HD. REBONDED FOAM FELT BONEL SPRING 10 SUPPORTER FOAM FELT FOAM IN THE SIDE 200G FIBER FABRIC HEIGHT 34 +/- 1CM 0YRS WARRENTY 2YRS FABRIC WARRENTY ANTI-BACTERIAL & ANTI ALLERGY