spring pocket, it made of fibertex fabric, most prominent advantage of high tensile strength and tear strength spring pocket, make of fibertex fabric, use this as mattress spring coversIt is the most prominent advantages of high tensile strength and tear strength.common weight is from 70 -100 gram square metre.Can be flame retardant finishing, it can reach BS 5852 and CA117,FMVSS302,EN1021. ...