... -toxic,High,intensity, Air-permeable,Mothproof,Breathable, Non-waterproof mattress protector - Pad - Material :25gsm, 30gsm,35gsm PP nonwoven fabric ... This matress protector is non-waterproof.For your own prefence, we also have a waterproof sheets in these same dimensions ... see diagram for the best Protection possible choose the Fitted sheet.Anti-allergical material. Effective at preventing bacteria ...