Can You Wash a Mattress Cover? How to Clean It Safely and Effectively

If you’re wondering “Can you wash a mattress cover?”, you’re not alone. Many people aren’t sure whether their mattress cover should go in the washing machine, be spot-cleaned only, or replaced when it gets dirty. This guide walks through what you can safely do, what to avoid, and how to keep your mattress cover fresh for longer.

What Exactly Is a Mattress Cover?

Before deciding how to wash it, it helps to know what type of mattress cover you have. People often use the term “mattress cover” to describe different products:

  • Fitted mattress protector – Elastic edges, usually waterproof or water‑resistant.
  • Zippered encasement – Fully encloses the mattress on all sides.
  • Quilted mattress pad or topper cover – Lightly padded, often adds softness.
  • Removable mattress cover on a mattress – Some mattresses have a zip-off outer cover.

Each type may have different washing instructions, so the answer to “Can you wash a mattress cover?” depends heavily on which one you own.

So, Can You Wash a Mattress Cover?

In many cases, yes, you can wash a mattress cover, but only if the care label says it is machine-washable. The fabric, any waterproof layer, and stitching all influence what’s safe.

Always start by checking:

  • The care tag or label (often on a side seam or near the zipper)
  • Any symbols showing washing temperature, tumble settings, or “do not wash”
  • Whether it specifically says machine wash, hand wash, or spot clean only

If the label is missing or unreadable, it’s generally safest to:

  • Use cold water
  • Choose a gentle cycle
  • Use a mild detergent
  • Air-dry instead of high heat

This conservative approach reduces the chance of shrinking, damaging a waterproof barrier, or warping the fabric.

How Should You Wash a Mattress Cover?

Basic Steps for Most Washable Mattress Covers

If the label confirms your cover is washable, this is a common routine that works for many:

  1. Remove the cover carefully
    Unzip or lift it off without pulling too hard on seams or zippers.

  2. Pre-treat stains (if recommended)
    Lightly apply a mild detergent solution to stained areas and let it sit briefly.

  3. Use a gentle machine cycle

    • Cold or warm water (follow the label)
    • Gentle or delicate cycle
    • Mild, liquid detergent

  4. Avoid harsh products

    • No bleach unless the label allows it
    • Avoid fabric softener on waterproof covers, as it may affect the coating

  5. Dry according to the label

    • Low heat tumble dry, or
    • Line-dry / air-dry flat

Drying thoroughly is important so moisture doesn’t linger in seams or padding.

Can You Wash a Mattress Cover With Waterproof Backing?

Many people specifically search “Can you wash a mattress cover” because theirs is waterproof and they’re worried about ruining it.

For waterproof or water-resistant covers:

  • Yes, they are often washable, but:
    • Use cool or warm water, not hot.
    • Use a gentle cycle.
    • Low heat in the dryer or air-dry to help protect the waterproof layer.
  • Avoid:
    • High heat drying, which can cause peeling or cracking over time.
    • Strong bleach or harsh chemicals that may damage the backing.

If the cover starts to crinkle, peel, or lose its barrier, it may be nearing the end of its useful life.

What If the Label Says “Spot Clean Only”?

Some mattress covers, especially those with foam inserts or delicate fabrics, are labeled “spot clean only”. In that case:

  • Do not machine wash the entire cover.
  • Blot spills with a clean, damp cloth and mild detergent.
  • Avoid soaking the fabric or getting inner layers saturated.
  • Allow to air-dry completely before putting bedding back on.

If heavy staining or strong odors build up on a spot-clean-only cover, replacement is often more practical than attempting deep washing.

How Often Should You Wash a Mattress Cover?

The answer depends on use, environment, and personal preference, but a common pattern is:

  • Every 1–3 months for general upkeep
  • Sooner if:
    • There’s a spill or accident
    • You notice odors or visible dirt
    • You sweat heavily or sleep without an additional sheet layer

Regular washing helps your mattress cover stay fresher longer and supports a cleaner sleep surface.

Common Mistakes to Avoid When Washing a Mattress Cover

To help answer “Can you wash a mattress cover without ruining it?”, it’s useful to know what to avoid:

  • Skipping the care label and guessing at temperature or cycle
  • Using very hot water or high dryer heat on waterproof or elastic materials
  • Overloading the washer so the cover cannot rinse or spin properly
  • Using too much detergent, which can leave residue in the fabric
  • Not drying it fully before putting it back on the mattress

A bit of caution goes a long way in preserving fit, feel, and function.

✅ Quick Mattress Takeaways

Key points consumers should understand about “Can You Wash a Mattress Cover”

  • Check the care label first – it’s the most reliable guide to whether and how you can wash your specific mattress cover.
  • Many mattress covers are machine-washable, especially common protectors and encasements, but some are spot-clean only.
  • Use gentle settings: mild detergent, cold or warm water, and a delicate cycle to help protect fabric and waterproof layers.
  • Low heat or air-drying is usually safest, particularly for waterproof or elastic materials.
  • Avoid bleach and fabric softener unless the label clearly allows them.
  • Wash every 1–3 months, or immediately after spills, to keep your sleep surface fresher.
  • If a cover becomes heavily stained, damaged, or loses its waterproofing, washing may not restore it, and replacement could be the more practical option.

Understanding the details behind “Can you wash a mattress cover” helps you care for your bedding confidently. By following the care label and using gentle cleaning habits, you can keep your mattress cover in good condition and extend its usable life.