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  • FrostFix box
  • FrostFix reusable car moisture absorber bag
  • FrostFix bag held in front of a frosted windshield
  • Blue means dry, pink means recharge
  • FrostFix draws moisture from the cabin air
  • FrostFix fits in a door pocket
  • Recharge FrostFix on a radiator
12,000+ satisfied customers

FrostFix™ Dehumidifier Bag

FrostFix™ Dehumidifier Bag

  • No morning frost
  • Reusable
  • No chemicals

Tip: take 2. One for the dash, one in the back for the rear window and mats.
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Ordered
1–2 business days
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Description

FrostFix is a fabric pouch filled with silica gel. Set it in your car and it draws moisture out of the cabin air while the car is parked. Less moisture inside means the glass doesn't fog or frost on the inside, wet floor mats dry out, and the musty smell goes away. When the bag is full, you dry it out and use it again.

  • Dries the whole cabin. It works on the air, so the windows and the floor mats both benefit.
  • Keeps the musty smell out. It removes the damp that odors and mold need.
  • Tells you when it's full. The indicator circle is blue when the bag is dry and pink when it's time to recharge.
  • Reusable for years. Recharge it in the microwave or on a radiator and put it back to work.
  • Small enough to go anywhere. About 14 x 22 cm. It fits on the dashboard, in a door pocket, under a seat or in the trunk.
  • Nothing to spill or plug in. No chemicals, no batteries and no liquid.
  • Not only for cars. Use it in a van, caravan or boat, or around the house.

What's in the box

  • 1 bag: 1 x FrostFix moisture absorber bag
  • 2 bags: 2 x FrostFix moisture absorber bags
  • 4 bags: 4 x FrostFix moisture absorber bags

Each bag is matte black with a blue recharge indicator on the front.

Shipping & returns

Shipping: Free tracked shipping on every order. Delivery takes 3 to 5 business days. You'll get a tracking link by email as soon as your order is on its way.

Returns: All sales are final. If your order arrives damaged, defective or wrong, contact us within 3 days of delivery and we'll replace or refund it. See our refund policy.

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FrostFix™ Dehumidifier Bag

$24.95
$24.95 $47.90
Save 47% Sold out

Why it's worth it

Pay once. Clear glass all winter.

29¢a morning over a 4 month winter with the 2 bag pack. Recharge it and use it again next winter.
  • Idling with the defroster on5 to 10 minutes of fuel every morning before you can see out.
  • Wiping the inside of the glassCold hands, a wet dash, and it fogs right back up.
  • Disposable moisture tubsThey fill up, you throw them out and buy more.
  • FrostFixWorks while you sleep. When the dot turns pink, microwave it for about 6 minutes and it works like new.

How it works

Set it down tonight. See clearly tomorrow.

  1. FrostFix bag held in front of a frosted windshield

    Lay it on the dash

    No wires, no switch. Just set it down.

  2. FrostFix draws moisture from the cabin air

    It works while you sleep

    The pouch pulls damp out of the cabin air.

  3. Blue means dry, pink means recharge

    Pink? Recharge it

    About 6 minutes in the microwave.

The difference

Same windshield. One night later.

Drag to compare a morning without FrostFix and a morning with it.

Clear windshield the next morning with FrostFix Windshield frosted on the inside without FrostFix Without FrostFix With FrostFix

Reviews

What drivers are saying

FrostFix review photo from Sarah M.
★★★★★

Game changer

No more scraping the inside of my windshield at 6am. Wish I'd bought it last winter.

Sarah M.
FrostFix review photo from Marcus T.
★★★★★

Actually works

Was skeptical, but my windows were clear three mornings in a row.

Marcus T.
FrostFix review photo from Linda H.
★★★★★

Dad approved

Got this for my dad and he won't stop talking about it.

Linda H.
FrostFix review photo from Dave K.
★★★★★

No more fog

My old Civic fogged up every single morning. Not anymore.

Dave K.
FrostFix review photo from Priya S.
★★★★★

So easy

Just leave it on the dash and forget about it.

Priya S.
FrostFix review photo from Tom B.
★★★★★

Worth it

Truck stays clear inside even on the coldest nights.

Tom B.
FrostFix review photo from Emily W.
★★★★★

Love the indicator

The dot tells you when to recharge it. Works like new after.

Emily W.
FrostFix review photo from Carlos G.
★★★★★

Morning saver

I'm out the door ten minutes faster every day.

Carlos G.

What it fixes

One small bag. Three damp-car problems.

Clear windshield with FrostFix on the dash

Clear morning windows

With less moisture in the cabin, the glass doesn't fog or frost over on the inside.

Dry floor mats with FrostFix

Dry floor mats

Wet mats dry out while the car sits parked, instead of staying soggy all week.

Dry cargo area with FrostFix

No musty smell

Drier cabin air means that stale, damp smell never gets a chance to settle in.

Good to know

Questions, answered

Does it melt ice on the outside of the windshield?

No. FrostFix works on the air inside the car. It keeps the glass from fogging or frosting on the inside. It does not melt outside ice, clear snow or heat the car, so you will still need a scraper for the outside.

How do I know when it needs recharging?

Look at the circle on the front of the bag. Blue means it's dry and working. When the blue turns pink, the bag is full and needs a recharge.

How do I recharge it?

The quickest way is the microwave. Wrap the bag in a paper towel, heat it for about 6 minutes at 600 W, and let it cool. You can also leave it on a radiator for 1 to 2 days, or put it in a low oven with the door slightly open.

Is it safe to keep in the car?

Yes. It's a fabric pouch of silica gel with no chemicals, no batteries and no liquid. There is nothing to spill, leak or plug in.

How many do I need?

One bag on the dash handles the windshield. We recommend two: the second goes in the back for the rear window and floor mats. The 4 bag pack covers two cars.

FrostFix box

Wake up to clear windows.

Put FrostFix on your dash tonight and see the difference tomorrow morning.

Get FrostFix Free tracked shipping · Delivered in 3–5 business days