A car seat cover only earns its keep if cleaning it stays easy: and the fastest way to shorten a cover's life is cleaning it the wrong way. Here's the part most guides skip: not all covers are meant for the washing machine. Some are simple fabric sheets that tolerate a gentle cycle; others are structured covers with internal frames, coatings, or non-slip backings that machine washing can damage. This guide covers both: and how to tell which one you own.
Step one: check what kind of cover you have
Before anything touches water, find the care label or the product page's care section. Covers generally fall into two camps:
- Unstructured fabric covers: a quilted or coated sheet with straps. Many of these tolerate gentle machine washing if the label says so.
- Structured covers: covers with reinforced frames, molded panels, or silicone non-slip backing. These are usually wipe-clean only: machine washing can deform the frame and damage the backing. Our own HOUT Full-Cover Car Seat Cover is in this camp: it's designed to be cleaned in place with a damp cloth, not put in a machine.
The care label always wins over any general guide, including this one.

The routine that handles 90% of it (no washing at all)
- Shake it out after muddy or sandy trips: outside the car, before dirt gets ground in.
- Vacuum or lint-roll the surface weekly if your dog rides often. Hair works itself into stitching over time; removing it weekly is far easier than removing it monthly.
- Wipe wet spots promptly. Drool and paw prints come off a coated surface with a damp cloth in seconds when fresh, and much less easily once dried.
Wipe-cleaning a structured cover
- Mix a small amount of mild detergent into lukewarm water.
- Dab stains with a cloth: dab, don't scrub in circles, which spreads the stain into surrounding fabric.
- Go over the area again with a clean, water-only cloth to lift detergent residue.
- Leave doors open or windows down until the cover is fully dry. Trapped moisture is what causes lingering smells.
- For odors on covers whose care instructions allow it, a light sprinkle of baking soda on the dry surface, left briefly and vacuumed off, can help. For wipe-clean designs like ours, skip powders entirely and stay with damp-cloth cleaning: that is the manufacturer-intended method.
Machine washing: only if your label allows it
If (and only if) your cover's care label permits machine washing, the same cautions apply across brands:
- Cold or lukewarm water, gentle cycle. Heat is hard on waterproof coatings.
- Mild detergent, modest amount. Harsh formulas and additives can affect coated fabrics over time.
- No bleach, no fabric softener. Bleach attacks coatings directly; softener can leave a residue that reduces water repellency and holds onto odors.
- Secure the hardware. Remove detachable straps where possible, fasten what remains, and use a large laundry bag so clips don't strike the drum.
- Air dry, out of direct sun. Tumble-dryer heat is a common cause of coating damage: skip the dryer unless the label explicitly allows low heat.
Mistakes that shorten a cover's life
- Machine-washing a structured cover. Frames and non-slip backings aren't built for a spin cycle: one wash can deform them.
- Hot tumble drying. Waterproof coatings and heat don't mix.
- Fabric softener. It coats fibers, attracts hair, and traps odor: the opposite of what you want in a dog cover.
- Letting mud dry and stay. Dried grit abrades fabric every time your dog moves on it.
How often is often enough?
Let the cover tell you: visible hair, lingering smell, or a muddy trip means it's time. Routine light cleaning (shake, vacuum, spot-wipe) beats infrequent deep cleaning for both hygiene and fabric life. One bonus of a wipe-clean design: there's no laundry day at all, which in practice means it actually gets cleaned more often.
Related reading
If you're still choosing a cover, our guide on what actually matters in a dog car seat cover covers materials and fit in plain language.
Related guides: your dog's first road trip checklist.