PTEREIW 20L Foldable Storage Crates, Plastic Storage Bins Or

The Verdict

If you’re tired of tripping over collapsible crates that collapse while you’re carrying them, the PTEREIW 20L Foldable Storage Crate deserves a look. At 4.4 stars across 220 ratings, it’s not a perfect product — but for everyday office and home organization, it solves the problem that cheap folding bins usually get wrong.

What You Actually Get

This is a set of plastic folding crates, each with a 20-liter capacity. Assembled, they measure roughly 16 x 12 x 8 inches — deep enough to hold hanging files sideways or standard folders upright. The key feature is the fold-flat design: release the side latches, push the walls down, and each crate collapses to about a quarter of its height.

The plastic is polypropylene (PP), which gives it the right balance of flexibility and impact resistance. The latches are integrated into the wall panels, not separate clips that can snap off. I’ll get to the durability question shortly, but for basic office storage, the design is sound.

Real-World Performance

I tested these crates in two scenarios: a home office reorganization and a small warehouse shelf setup. The folding mechanism works smoothly — it takes about three seconds per crate to collapse or assemble. The side latches lock firmly; one customer noted, “I loaded these with heavy binders and carried them down two flights of stairs without a single crate folding in on me.” That matches my experience.

The 20L size is the sweet spot for office use. Standard letter-size files fit upright with room to spare. Stacking is stable when the crates are evenly loaded — the ribbed bottom of the upper crate seats into the rim of the lower one. However, if you stack them unevenly loaded, they’ll shift.

What Buyers Consistently Praise

Across the 220 ratings, three themes keep coming up:

• Space savings when folded: Multiple reviewers mention storing a full set in a closet shelf when not in use. That’s the core value proposition, and it delivers.
• Better than cardboard: For anyone replacing banker’s boxes, these hold up better against moisture and repeated handling. One review said, “I’ve already used these for two moves — they’re still going strong.”
• Clear visibility: The open-top design (no lid included) means you can see contents at a glance without labeling.

Where It Falls Short

Let’s be honest about the tradeoffs.

No lids included. This is the biggest gap. These are open-topped crates. If you need dust protection or secure stacking for long-term storage, you’ll need to buy covers separately — and they’re not always easy to find for this specific size.

The plastic is thin. At roughly 2-3mm wall thickness, these flex when you grab the edges of a fully loaded crate. They won’t crack under normal use — the PP formulation handles stress well — but they’re not in the same class as rigid, heavy-duty totes. If you’re storing power tools or heavy parts, look elsewhere.

Handles are basic. They’re molded into the side walls — functional, but with 30+ pounds inside, the edges dig into your palms. Plan for two-handed carries on any significant distance.

One reviewer summed it up fairly: “Perfect for what they are — lightweight, space-saving storage. But don’t expect them to survive being thrown around a warehouse.”

Who Should Buy These

Buy them if you need versatile, collapsible storage for a home office, classroom, or light warehouse use. They excel at organizing files, craft supplies, seasonal items, or pantry overflow. The fold-flat design is a genuine space-saver for apartments or closets.

Skip them if you need heavy-duty, stackable storage with lids, or if you’ll be carrying consistently heavy loads over long distances. For that, spend more on rigid totes with reinforced handles.

FAQ

Can these hold hanging file folders? Yes — 20L is deep enough for letter-size hanging files, though you may need to angle them slightly. Standard manila folders fit perfectly upright.

Do the crates come with lids? No. You’re buying open-top crates. Check if the listing offers a bundle with covers, or plan to use them for open-display storage.

How much weight can they hold? Realistically, 20-30 pounds is comfortable. Beyond that, the thin walls flex and the handles become the weak point. They’re not built for 50-pound loads.

The Verdict

Rating: 4.2/5

The PTEREIW 20L Foldable Storage Crates earn their 4.4-star rating honestly. They’re lightweight, genuinely space-saving when folded, and the latching mechanism holds up in real use. The lack of lids and the thin plastic are real limitations, but for the price point, they deliver solid value for office and home organization.

Buy it if you want affordable, collapsible storage that actually stays assembled when you carry it. Skip it if you need dust-proof, heavy-duty totes — those are different tools for a different job. For most buyers organizing files, supplies, or seasonal gear, these crates are a smart buy.

Where to Buy

👉 Check Price on Amazon →

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.