These vacuum storage bags will be your fall storage secret, and they're over 40% off

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The changing of the seasons is the ideal time to toss or donate what you no longer need, and organize the rest. But which will you attack first: the ungodly mess that is your wardrobe? Or your beyond-chaotic linen closet? Either way, it'll feel great to stow those summer clothes and decor and finally restore some order. Here's the efficient, economical way to do it: Spacesaver Premium Vacuum Storage Bags. They're the kind of thing you never knew you needed until you got your hands on some — and resolved to never be without them again. And now, a variety pack of 20 bags is up for grabs from Amazon for $35, down from $62 — that's over 40% off.

This 20-bag pack contains five small bags (16 x 24 inches), five medium bags (20 x 28 inches), five large bags (24 x 32 inches) and five jumbo bags (30 x 40 inches). You also get a hand pump.

These bags are just $35, down from their usual price of $62. When you consider that each bag can hold up to 5 pounds of stuff and you get 20 in this pack, you're only paying $1.75 per bag. They come with a vacuum pump for compressing your items too. This is just $3 more than the best price we've seen them. They're also available in packs of 4, 10 and 15, with prices varying by number.

How do these storage bags work? You simply load them up with whatever you want to store, slide the clip across the top to create a double-zip seal, attach your vac's nozzle to the plastic port, and suck out all the excess air. The result: That bulky, unwieldy pile of clothes or bedding is now up to 80% smaller.

Now, imagine that times 10 bags. You're looking at way more storage space in your closets, your drawers, under the bed — and a tidier, more organized home. Planning a move? Meet your new best friend. Another great feature: These will keep your clothing and linens hermetically sealed and protected from dust and grime. They can also help you pack for vacation, adding up to 80% more space in your carry-on, duffel or suitcase. The free hand pump will make prepping your luggage for the trip back home doable (and let you make room for all that fab shopping you did).

These bags come in a variety of sizes. To get an idea of what the sizes mean: A small bag will fit six to eight sweaters; a medium bag, eight to 10; a large bag, 10 to 12.

3,700-plus shoppers have bestowed five-star raves on these Spacesaver bags — a recent shopper even called them their "best purchase this year."

"I have used the Spacesaver Bags for over 20 years," said one loyal buyer. "These bags are durable, easy to use (and re-use) and the company truly backs their product. Follow the instructions, don’t overfill and you will get years of use out of your bags. Don’t forget to think outside the box. We recently used the largest size to seal some of my daughter’s belongings that went into storage during a relocation."

"My tendency to buy clothes and let them languish in drawers and closets led to overflowing chaos," said another five-star fan. "Desperate for a solution, I skeptically tried this space-saving marvel—and to my delight, it exceeded my expectations! Now, not only are my clothes shielded from the elements and pesky bugs, but I've also reclaimed a significant amount of space. Two closets and three drawers condensed into two roomy drawers, leaving me with a newfound sense of organization."

"I am so a fan," raved another shopper. "I have a large inventory of crocheted afghans for my shop plus the usual clothing and comforts one just can't let go. My walk-in closet was not walk-in for all the stored items. Now, it is a walk-in again and neat and organized."

"It's quite amazing how much space can be saved by sucking out air! I tend to use my Dyson, but got lazy once when I didn't have the vacuum in the basement and used the pump which also worked," said a final reviewer. "Note: If there is air leakage, be sure to put your ears closer to the bag and you can actually hear where air is escaping. Then you just seal better."

Some shoppers aren't impressed by the air loss.

"When it works, it works well," said one. "Just attach a vacuum to the hole and you'll immediately start saving space. However, for the bags that don't keep the air out, they will leak and start letting air back in within a few days. I bought the variety pack and the 'leakage' is random in the size."

This reviewer agreed: "Great when they work, but many leak. I've had some not hold their vacuum from the start, and some develop a leak after only 1-2 uses. So I do suggest bringing a few extra bags when you pack in case of failure, or perhaps put the bag in a packing cube of some sort to at least limit the expansion if a bag does leak."

If 20 bags are too many, this pack of 10 will run you just $19.

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $35 or more.)

The reviews quoted above reflect the most recent versions at the time of publication.