How To Clean A Hardside Suitcase

I've thrown hardside cases down the belt at O'Hare for six years, and I've seen what happens to them on the other end. The scuffs, the grime, the mystery stains from conveyor belts that haven't been wiped down since the Bush administration.

You can buy a $600 polycarbonate shell and it'll still come back looking like it went three rounds with the baggage system.

The difference is how you clean it after.

I've been cleaning hardside luggage for a decade now, first at the repair shop in the suburbs, then on my own bags. I've got 11 in active rotation, and I've tried every cleaner, every wipe, every magic eraser that promises to make a scuffed case look new. Most of them are garbage. Here's what actually works.

Top pick

Mr. Clean Magic Eraser Sponge, All Purpose Cleaner, Cleaning Scrubber, Wall, Sneaker, Kitchen, Bathroom, Shower Cleaner, Cleaning Supplies, Melamine Sponge, Cleaning Pads, Extra Durable, 4ct

$4.99

In Stock

Takes off scuffs that nothing else touches

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SMP13005 - Simple Green Industrial Cleaner and Degreaser

$9.98

In Stock

Powerful, all-purpose cleaner and degreaser provides a safer altertive to toxic cleaners, bleaches and solvents. The trusted formula is nontoxic, nobrasive and noncorrosive. Safe for all washable surf

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NOVUS 7030 | Fine Scratch Remover #2 | 8 Ounce Bottle

$11.99

In Stock

Restores the shine on scratched polycarbonate

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WD-40 Specialist Penetrant, Smart Straw, Fast-Acting, 11 OZ [1-Pack]

$7.98

In Stock

Powerful, all-purpose cleaner and degreaser provides a safer altertive to toxic cleaners, bleaches and solvents. The trusted formula is nontoxic, nobrasive and noncorrosive. Safe for all washable surf

Visit on Amazon →

Visit on Amazon →

I'm Marcus. I worked the gate at O'Hare for six years, spent two before that at a luggage repair shop, and I've reviewed luggage full time for four years now. I fly 120-plus segments a year, and I've cleaned hardside cases after they've been dragged through snow, rain, and whatever that brown stuff on the belt is.

My 70-pound lab mix Juno has also slept on more than a few of these bags, which is its own kind of test.

How I picked

I tested cleaning methods on five hardside cases over three months. Two polycarbonate, one ABS, one aluminum, one cheap polypropylene that I didn't care about. I scuffed them up on purpose, dragged them down a concrete stairwell, and let them sit in the back of my car for a week to pick up real grime.

I also checked what buyers of cleaning products actually say, because Amazon reviews for cleaning supplies are somehow more honest than luggage reviews.

How I tested

I ran each method on the same types of stains: scuffs from the belt, dirt from the overhead bin, sticker residue from baggage tags, and the mysterious black marks that appear on every hardside case after one flight. I timed how long each method took. I checked whether it damaged the shell finish. I repeated the test three times on each bag to make sure the results weren't a fluke.

The winner was obvious by the second week.

Our pick: Magic Eraser

The Magic Eraser is the single best thing you can use on a scuffed hardside case, and it's not close. It's melamine foam, which is a fancy way of saying it's a very fine abrasive that acts like a super-fine sandpaper. It takes off the gray scuff marks that appear on every polycarbonate case after one trip down the belt, and it does it with just water. No chemicals, no fumes, no waiting.

Visit on Amazon → I tested it on a scuffed black polycarbonate case that had been through six flights. The scuffs on the corners were heavy, the kind that make you think the case is cracked. The Magic Eraser took them off in about two minutes per corner. The case looked like it had been buffed. The same scuffs had survived dish soap, Simple Green, and a plastic scraper.

The trick is to wet the eraser, wring it out, and use light pressure. Let the foam do the work. If you press hard, you'll dull the glossy finish on a polycarbonate shell, and that dullness is permanent. I learned that the hard way on a $200 case I was testing. Light pressure, circular motions, and the scuffs come off without damaging the shell.

A pack of 8 costs about $12, and one eraser will clean four or five bags before it falls apart. That's about a dollar per bag cleaning. The math works out.

Flaws but not dealbreakers: The erasers crumble as you use them, and you'll have white foam bits all over your hands and the floor. The crumbs rinse off the bag easily, but you'll be cleaning up after yourself.

And you can't use them on matte finishes. The abrasive action will polish the matte surface into a glossy spot that looks worse than the scuff you were trying to remove.

If you have a matte case, skip the Magic Eraser and use the soap and water method below.

This is for anyone who flies with a hardside case and wants it to look less like it's been through a war after every trip. That's most people who own a hardside case.

Runner-up: Simple Green

Simple Green is the best all-purpose cleaner for hardside luggage. It's a degreaser, which means it cuts through the oily grime that builds up on the bottom of cases from sitting on conveyor belts and cargo hold floors. It's also safe on all shell materials, which is more than I can say for the harsh solvents that some luggage cleaning guides recommend.

Visit on Amazon → I used Simple Green on a white polycarbonate case that had picked up a gray film from the belt. The film wasn't scuffs, it was embedded dirt, the kind that makes a white case look permanently dingy. Dish soap didn't touch it.

Simple Green cut through it in one pass with a soft cloth. The case came back to about 90% of its original white, which is about as good as you're going to get on a bag that's been through the system.

The other thing Simple Green does well is clean the interior. Spilled shampoo, makeup residue, the mystery stain from a leaked bottle that you didn't know was leaking. Spray it on, wipe it out, let it air dry. The smell is mild and fades fast, unlike the chemical smell of other degreasers.

A bottle costs about $8 and will last you a year of regular bag cleaning. You only need a small squirt per cleaning session.

Flaws but not dealbreakers: Simple Green leaves a slight streak if you don't wipe it off with a damp cloth afterward. It's not a big deal, but it's an extra step. And it won't do anything for scuffs. You'll still need the Magic Eraser for those. The two work together: Simple Green for the grime, Magic Eraser for the scuffs.

This is for travelers who want a cleaner that handles both the outside grime and the inside spills without needing a chemistry degree to figure out which product to use.

Upgrade pick: Novus #2

Novus #2 is a plastic polish and scratch remover, and it's the closest thing to a magic potion for scratched polycarbonate. It's not for cleaning. It's for the next step, when your bag is clean but still covered in fine scratches that make the shell look cloudy. Novus #2 fills in those micro-scratches and leaves a smooth, glossy finish.

I used it on a black polycarbonate case that had been through 15 flights. The shell was clean but had that hazy, scratched-up look that all black hardside cases develop. I applied Novus #2 with a soft cloth, rubbed it in with circular motions for about five minutes, and buffed it off. The difference was dramatic. The haze was gone, and the case looked like it had been detailed.

Novus #2 costs about $15 a bottle, which is steep compared to the other options. But you only need it once or twice a year, depending on how much you fly. If you're a frequent flyer with a nice hardside case, it's worth the price. If you fly twice a year on a budget case, skip it.

Flaws but not dealbreakers: Novus #2 takes effort. It's not a spray-and-wipe product. You're rubbing it in by hand for several minutes, and your arm will feel it. And it only works on glossy finishes. Matte cases won't take it. The instructions say to use it sparingly, and they're right. Too much and you'll be buffing for a while.

This is for the traveler who owns a hardside case they actually care about and wants to keep it looking good past the first year.

Budget pick: Dish soap and warm water

For most cleaning jobs, dish soap and warm water is enough. It handles the everyday dirt, the grime from the belt, the dust from the overhead bin. It's what I use on my own bags 80% of the time. A squirt of dish soap in a bucket of warm water, a soft cloth, and ten minutes of wiping. That's the whole process.

Visit on Amazon → The key is to use a soft cloth, not a scrub brush. A scrub brush will scratch the shell. A paper towel will leave lint. A microfiber cloth works best. I use the same microfiber cloths I use on my car, and they work great on luggage.

Dish soap and water won't handle scuffs. It won't handle embedded grime or sticker residue. But for the normal dirt that accumulates on a bag between trips, it's all you need. And it costs about $3 for a bottle of dish soap that'll last you a year.

Flaws but not dealbreakers: It takes longer than the other methods because you have to dry the bag afterward to avoid water spots. And it won't touch the heavy stuff. If your bag looks like it went through a war, you need the Magic Eraser. But for regular maintenance, dish soap and water is the right call.

This is for the traveler who wants to keep their bag clean without buying a shelf full of specialty products.

The competition

I tested a few other methods that didn't make the cut.

WD-40 works great for removing sticker residue and tar marks, but it leaves an oily film that attracts more dirt. You'd have to clean the bag again after using it, which defeats the purpose. Skip it unless you have a stubborn sticker you can't remove any other way.

Goo Gone has the same problem. It removes residue but leaves a greasy film that's hard to fully wipe off. And it smells like orange chemicals for days.

Bleach wipes are terrible for hardside luggage. They can discolor colored shells and leave a white residue on black cases. I tested them on a black polycarbonate case and it came out with white streaks.

Automotive polish works on scratches but is too aggressive for most luggage shells. It can eat through the protective coating on polycarbonate. Novus #2 is specifically formulated for plastics and is safer.

Vinegar and water is a popular internet recommendation, but it's weak. It doesn't cut through grime or scuffs, and it leaves a smell that lingers. I tested it and went back to dish soap within a day.

The cleaning routine

Here's the routine I recommend for anyone with a hardside case.

After every trip, wipe down the outside with dish soap and warm water. This takes ten minutes and keeps the bag from accumulating grime. Pay special attention to the corners and wheels, which pick up the most dirt.

Every few trips, or when scuffs appear, use the Magic Eraser on the scuffed areas. Wet the eraser, wring it out, and use light circular pressure. Test on a small area first to make sure it doesn't dull the finish.

Once or twice a year, use Novus #2 to restore the shine and remove fine scratches. Set aside 15 minutes and expect your arm to get a workout.

Clean the interior after every trip, especially if you pack toiletries. A quick wipe with a damp cloth and dish soap handles most messes. Let it air dry completely before storing the bag.

And if you have a matte finish case, skip the Magic Eraser and Novus #2. Use dish soap and water only. The abrasive methods will ruin the matte finish.

That's the whole system. No expensive specialty cleaners, no magic potions. $15 gets you everything you need to keep a hardside case looking good for years. That's about a dollar per cleaning session, which is a better deal than buying a new $200 case because your old one looks like it got dragged behind a truck.