How do I wash my mattress topper cover?

Wipe with a soft cloth or sponge using a mild soap that is diluted with lukewarm water. Do not machine wash and/or dry. Hang or line dry only. Do not use harsh cleaners or solvents. If a disinfectant is needed; quaternary or phenolic type is appropriate if used according to manufacturer's instructions and rinsed after application. Using any other method or disinfectants could cause staining or damage the product and void the warranty.