Waterproof Fitted Bolster Protector allows repelling of fluids while maintaining comfort and breathability. Easy to use, it offers amazing comfort while preserving your mattress. A great choice for anyone with allergies or asthma being extremely hygienic while preserving your pillows !#!amp!*! bolsters from any impurities and keeping good ventilation. Machine washable and dryable.Specifications- Anti-Dust-Mite- Anti-Bacterial- Anti-Fungus- Breathable- Machine WashableSizes- Bolster Protector: 9"x36"