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If you want a simple, low-risk way to carry and protect a full size over ear headphone — and you're shopping for an elderly parent or grandparent who just needs the set kept safe between listening sessions — choose Cosmos 2; if you need to refresh the worn, flaking earpads on a headphone you already own, choose DleDan 3.
These two products get compared a lot, but they don't actually do the same job. One is a storage pouch. The other is a set of fabric earpad covers. So the honest answer isn't "which is better" — it's "which problem are you trying to solve." Below I break down what each one is built for, where each falls short, and who should walk away with which.
• Cosmos 2 — biggest strength: Two soft drawstring pouches in one pack, sized around 10" x 8.5", roomy enough for most over-ear headphones, gaming headsets and neckband earphones.
• Cosmos 2 — biggest trade-off: It's a soft nylon/polyester bag with a single compartment and no padding or rigid shell, so it protects against dust, scratches and light knocks — not crushing.
• DleDan 3 — biggest strength: Three pairs (six pieces) of stretchable, washable fabric covers that fit earpads roughly 3.14"–4.33" across, so you can refresh a worn headphone without replacing it.
• DleDan 3 — biggest trade-off: It only covers earpads. It does nothing for the headband, hinges, cable or the headphone itself, and it won't fit large over-ear cups outside that size range.
• Who Cosmos 2 is for: Anyone who needs to store or travel with a headphone and wants a cheap, no-thinking-required layer of protection.
• Who DleDan 3 is for: Anyone whose existing headphone still sounds fine but whose earpads are sweaty, dirty, peeling or uncomfortable against the skin.
Cosmos 2 is a two-pack of black drawstring pouches made from nylon and polyester. Each one measures about 10" x 8.5" when flattened, which is a genuinely useful size — big enough that most full size over ear headphones drop in without a fight, and generous enough for a gaming headset or a neckband-style headphone too. The listing is upfront that you should check your own headphone's dimensions before buying, and that's the right advice: a soft bag either swallows your headphones or it doesn't.
The closure is a double drawstring, which I like more than a zipper here. It opens and closes in one motion, there's nothing to jam or break, and there's no metal pull to scratch a cup. The material is soft, so it won't scuff glossy plastic or leatherette. It's a single compartment with an integrated drawstring handle, so you can loop it over a wrist or hang it on a hook by the door.
Who should skip it? If you need crush protection for air travel, or if your headphones live on a stand at home and never move, this adds little. And if your actual problem is that the earpads are uncomfortable or dirty, this bag won't fix that — that's the other product's territory.
DleDan 3: Who It's For
DleDan 3 is a completely different category of accessory. You get three pairs — six pieces total — of stretchable fabric covers designed to slip over existing headphone earpads. The fit range is stated as roughly 3.14" to 4.33" across, so measure your pads before ordering. That range covers a lot of on-ear and smaller over-ear headphones, but it won't stretch over a big, deep, full-size cup.
The pitch here is hygiene and comfort. The fabric is stretchable, washable and quick-drying, and the whole point is sweat absorption — so your skin isn't sitting directly against old foam for hours. If you've ever owned a headphone long enough for the pad coating to crack and flake, you know exactly why this product exists. Rather than retiring a headphone that still works, you cover the pads and keep going. With three pairs in the pack, you can rotate one set while another is drying.
Who should buy it? Anyone with a headphone whose pads are the weak link — sweaty in summer, grimy after months of use, or simply unpleasant against the ears. It's also a sensible option if you share a headphone between family members and want a washable barrier. And in my opinion it's a smart pick for an elderly listener whose headphone still sounds fine but whose earpads have gone stiff and scratchy; replacing the whole headphone would be overkill.
Who should skip it? If your earpads are outside that 3.14"–4.33" range, or if the pad foam itself has collapsed and flattened, a fabric cover won't restore the cushioning. And if you're looking for a way to carry or store your headphones, this does none of that.
Side-by-Side: Which Should You Choose?
• Best for protecting a headphone you carry around → Cosmos 2. Two soft pouches, drawstring closure, sized for most over-ear models.
• Best for elderly listeners who just want the headphone kept safe → Cosmos 2. Nothing to install, nothing to measure except the headphone itself.
• Best for hygiene and sweat control during long listening → DleDan 3. Sweat absorption and washability are the entire design brief.
• Best for households with several headphones → Cosmos 2. You get two bags in the pack, so more than one set gets covered.
• Best for anyone whose pads are flaking or stiff → DleDan 3. Three pairs means spares and rotation.
• Best for travel crush protection → neither, honestly. Cosmos 2 is soft-sided with a single compartment and no hard shell, so it handles dust and scratches rather than heavy compression.
• Best if you want extra bass headphones for elderly parents and the sound is already fine → DleDan 3. If the audio is good and only the pads are the problem, don't replace the headphone — cover the pads.
One more thing worth saying plainly: these aren't competitors so much as two stages of headphone ownership. Early on, you want a bag. Years later, you want new pad covers. Some people end up buying both, and that's a perfectly reasonable outcome.
If I had to pick one, I'd buy Cosmos 2. In my opinion it's the more universally useful of the two, because it works with almost any full size over ear headphone, gaming headset or neckband earphone you already own, and it solves a problem every headphone eventually has: getting knocked around, dusty or tangled. For an elderly listener who keeps a headphone nearby and needs it protected between uses, it's the simplest thing to hand over — no installation, no fit guesswork beyond the headphone's own size.
That said, DleDan 3 wins outright on one specific job. If your headphone still sounds good but the earpads are sweaty, grimy or peeling, buy DleDan 3 instead — a washable fabric cover is a far better answer than replacing a working headphone. Buy the bag if the problem is storage. Buy the covers if the problem is the pads.
As for price, I deliberately don't quote numbers here; both are inexpensive accessory categories, but the figures move, so check the current price on Amazon using the button on this page before you decide.
FAQ
how should over ear headphones fit
how long do over ear headphones last
It varies, but the earpads are usually the first thing to go — foam flattens, coatings crack and fabric gets dirty long before the drivers fail. That's exactly the gap DleDan 3 targets: its stretchable fabric covers are washable and quick-drying, so you can extend the comfortable life of a headphone whose sound is still fine.
are over ear headphones worth it
For long listening sessions, yes — the around-the-ear design spreads pressure and keeps sound away from your ear canal. The catch is upkeep. A soft pouch like Cosmos 2 keeps a headphone clean and untangled in storage, and pad covers like DleDan 3 keep the part touching your skin fresh. Small accessories, big difference in how long a set stays pleasant to wear.
are over ear headphones waterproof
Generally no, and neither of these accessories makes them waterproof. Cosmos 2 is a soft nylon and polyester drawstring pouch — it guards against dust, scratches and light knocks, not water. DleDan 3's covers are washable fabric for sweat absorption, which is about hygiene and comfort, not water protection.
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