... pack Goodsewing,Non-toxic,High,intensity, Air-permeable,Mothproof,Breathable, Disposable bed sheet / Material :25gsm, 30gsm,35gsm ... PP nonwoven fabric in white, blue single bed (90 cmX210cm) double (140 cmx220cm) - 70 cm ... mites from breeding in your mattress.These protectors fit the mattress via elastic straps-see diagram ... mites from breeding in your mattress Nonwoven mattress bed sheet