Prices verified Aug 4 · Always confirm at the retailer before buying.
Quick answer
The MIULEE covers and MIULEE 12x20 inserts are not interchangeable. The covers are the lower-cost cover-only refresh at $13.99 for two, while the inserts are $17.99 for two and address the inner cushion. Choose the covers when the existing insert still fits and you mainly need a removable outer layer. Choose the inserts when the cover is serviceable but the lumbar cushion has lost shape, and confirm that 12x20 dimensions match your cover. The registry records 4.5 stars from 15,968 reviews for the covers and 4.3 stars from 7,244 reviews for the inserts. Those are retailer feedback signals, not controlled tests of comfort, weather resistance, compression, cleaning, colorfastness, or durability. The official MIULEE product guidance for its cover family says inserts are not included and recommends checking size compatibility; exact Amazon variations can differ, so verify the live listing before ordering.
Pick the covers if the insert is fine; pick the inserts if the inner cushion is the problem. The covers are $13.99 for two and the inserts are $17.99 for two in the current US registry. Confirm size and package contents before buying.
Mubboo Verdict
Winner
MIULEE Pack of 2 Waterproof Pillow Covers
MIULEE Pack of 2 Waterproof Pillow Covers vs MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack), side by side
MIULEE Pack of 2 Waterproof Pillow Covers
Pros:
- Current registry price is $13.99 for a two-cover pack
- Cover-only format avoids buying another insert
- Official brand guidance describes a hidden zipper and a two-cover package
Cons (honest weight):
- Inserts are not included
- Exact size and color variation must be checked before ordering
- No independent outdoor-weather or colorfastness test
MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack)
Pros:
- Current registry price is $17.99 for a two-insert pack
- The listing title names a 12x20 lumbar format
- The insert format addresses shape or fill rather than surface appearance
Cons (honest weight):
- A cover is still needed for outdoor exposure
- The exact fill, firmness, and fit need live listing confirmation
- No independent comfort, compression, moisture, or durability test
Where each one wins
7 dimensions scored head-to-head. MIULEE Pack takes 2; MIULEE 12x20 takes 1.
| Dimension | MIULEE Pack of 2 Waterproof Pillow Covers | MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack) | Winner |
|---|---|---|---|
| Current priceThe covers cost less in the current registry. | $13.99 | $17.99 | MIULEE Pack |
| Replacement partOuter cover versus inner insert. | Cover | Insert | Tie |
| Pack sizeTwo-piece packs. | 2 covers | 2 inserts | Tie |
| Named sizeThe insert title names 12x20. | Verify variation | 12x20 lumbar | MIULEE 12x20 |
| RatingThe covers have the higher registry rating. | 4.5 | 4.3 | MIULEE Pack |
| Outdoor performanceListing wording only; not independently tested. | Not tested | Not established | Tie |
| Comfort and durabilityNo controlled home-use test. | Not tested | Not tested | Tie |
| Overall | 2 wins | 1 win | MIULEE Pack |
Start with the part that is actually worn
The MIULEE covers are $13.99 for two in the current registry; the MIULEE inserts are $17.99 for two. The first is an outer-layer purchase, while the second is an inner-cushion purchase. Buying the wrong one leaves the original problem in place.
Unzip the existing pillow before ordering. If the fabric or zipper is the issue but the insert still fills the cover, start with a cover. If the cover is usable but the cushion is flat or misshapen, measure the cavity and compare it with the insert's finished dimensions.
Do not treat a title size as a guaranteed fit
The insert listing names a 12x20 lumbar format. That is useful for screening, but it does not prove that every 12x20 cover will produce the same loft or edge shape. Seam allowance, fill volume, fabric stretch, and the cover's actual internal dimensions can change the result.
MIULEE's official cover-family guidance says inserts are not included and recommends checking size compatibility. Verify the exact color, size, package count, zipper, care instructions, and return terms on the live Amazon variation.
Outdoor wording is not a season-long durability test
The cover listing and MIULEE brand resources use water-resistant or waterproof language for outdoor applications. That does not mean a cover is permanently rainproof, mildew-proof, UV-proof, or safe to leave exposed in every climate. Rain angle, seams, zipper, drying time, sun, dirt, and the underlying insert all matter.
Keep the insert dry when the exact product instructions require it. Remove and dry the cover and insert according to the live care label; do not infer machine-wash or tumble-dry suitability from a different color or size variation.
What the ratings can and cannot tell us
The covers have 4.5 stars from 15,968 registry reviews; the inserts have 4.3 stars from 7,244. That is a larger feedback pool and a higher average for the covers, but it is not a controlled durability or comfort test. Reviews can also mix sizes, colors, sellers, and usage conditions.
Mubboo did not test compression recovery, lumbar support, seam strength, zipper cycles, rain exposure, fading, cleaning, odor, or long-term shape retention. Treat the recommendation as a format and evidence comparison, not a promise about how either product will perform on your patio.
Where the alternatives fit
Phantoscope is the closer cover-only alternative if you want another color or listing. Ashler is the more relevant alternative when you need four inserts for several seats. Kevin Textile is another cover-only option with a brighter pattern. These are alternatives, not silent replacements; verify their exact sizes and current package contents.
Our practical recommendation
Choose the MIULEE covers if the insert is usable and you need a lower-cost outer-layer refresh at $13.99. Choose the MIULEE inserts if the cover fits but the inner 12x20 cushion needs replacing at $17.99. If you need both, check the measurements and care instructions for the exact pair before adding both to the cart.
Which should you buy?
| Your situation | Pick | Why |
|---|---|---|
| The outer shell is worn | MIULEE Pack of 2 Waterproof Pillow Covers | Cover-only format. |
| The inner lumbar cushion is flat | MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack) | 12x20 insert format. |
| You want another cover listing | MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack) | Cover-only color alternative. |
| You are outfitting several seats | MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack) | Four-pack inserts. |
| You need proven weather durability | MIULEE 12x20 Outdoor Lumbar Pillow Inserts (2-Pack) | No independent test. |
Cover-only format.
12x20 insert format.
Cover-only color alternative.
Four-pack inserts.
No independent test.
What if neither is right?
Phantoscope Outdoor Waterproof Pillow Covers Foggy Blue (2-Pack)
$16.99
A cover-only alternative with a higher current rating and a different color choice.
Ashler Outdoor Waterproof Pillow Inserts (4-Pack)
$27.89
A newly surfaced category entrant with four inserts and current stock, but exact fit still needs checking.
Kevin Textile Hot Pink Checkered Pillow Covers (2-Pack)
$15.99
A patterned cover alternative for shoppers who care more about color than a neutral cover.
Frequently Asked Questions
Which is better, MIULEE covers or MIULEE inserts?
The covers are the better fit when the outer layer is worn and the existing insert still fits. The inserts are the better fit when the cover is usable but the inner 12x20 lumbar cushion needs replacing. They are different parts, so there is no universal winner.
Do the MIULEE covers include pillow inserts?
The MIULEE cover-family product guidance says the package includes two covers and does not include inserts. Check the exact Amazon variation because package details can change.
Will the MIULEE 12x20 inserts fit every 12x20 cover?
Not necessarily. The title size is a useful starting point, but actual internal dimensions, fill volume, seam allowance, and desired loft affect fit. Measure your cover and verify the live listing.
Are the MIULEE covers completely waterproof?
The listing and brand resources use water-resistant or waterproof wording for outdoor use, but this comparison does not establish permanent rainproofing, mildew resistance, UV resistance, or seam performance. Follow the exact care instructions and dry the insert as directed.
Did Mubboo test comfort or outdoor durability?
No. We did not perform compression, comfort, seam, zipper, rain, fading, cleaning, odor, or long-term shape-retention tests. The recommendation is limited to current registry, listing, and brand-resource evidence.
How we compared. Current price, stock, rating, review count, image, and exact product titles come from the US product registry for the two primary ASINs. The MIULEE product page supports the cover-family package and care/fit questions; it is not a substitute for checking the exact Amazon variation. For a broader category view, see our best decorative pillows guide. Mubboo did not perform weather, comfort, cleaning, compression, colorfastness, or durability testing.
Who wrote this and where's the data from?
Author: Mubboo Editorial Team. Independent US-market consumer research using current exact-ASIN registry records and manufacturer resources. Last verified: 2026-08-04. No controlled comfort, weather, cleaning, or durability testing is claimed.