EFFECTS AND ADVANTAGES Relaxation and comfort. It helps prevent and relieve back pain. It is also recommended for pregnant women. COMPOSITION Breathable fabric (100% polyester) and INTÉRIEUR in viscoelastic injected high density. Buckle clousure. DIMENSIONS 35x39x9 MANTEINANCE Hand wash or machine with non-abrasive products .Maximum temperature 30° You can not use bleach.You can boardYou can tumble dry.