Ravmix 21 Momme Silk Pillowcase
Best for: Value shoppers wanting a bit more than entry silk
The upgrade-from-entry pick — genuine 21-momme silk with a hidden zipper for around $20, a real step up from 19-momme value pairs.
Ravmix sits one rung above the cheapest silk: 21 momme (vs the 19 of Alaska Bear) means a slightly denser, more durable weave, and it adds a hidden zipper the envelope-close budget picks skip. It's the value pick for people who want a touch more substance than entry silk without paying beauty-brand prices. Colors are wide and it's OEKO-TEX-adjacent quality — just note 21 momme still isn't the 22 sweet spot where feel and longevity plateau.
Price & where to buy
Prices checked 2026-10-31Prices shown were last checked on 2026-10-31 and can change at any time — the price on the retailer's site at checkout is the one that applies. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product. As an Amazon Associate and affiliate we may earn a commission on purchases made through these links, at no extra cost to you.
How our prices work
We show the price at our recommended retailer as at our last check of that offer (2026-10-31) and, when Amazon reports one, its list price for comparison. Amazon prices come from Amazon's own product data service and are refreshed twice a day; each one shows the date and time Amazon gave it, and one older than 24 hours is replaced by “Check price”. Other retailers' prices are checked by hand and show the date of that check. Retail prices move constantly, so the price on the retailer's own page at checkout is the one that applies. More on Amazon prices
Should you buy it?
What we like
- 21 momme — denser than 19-momme entry silk
- Hidden zipper keeps the pillow secure
- Wide color range at a value price
- 4.5 stars across 42,000 reviews
What to know before buying
- 21 momme is just shy of the 22 sweet spot
- Hand/gentle wash only, like all silk
- Value-tier finishing vs premium brands
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At a glance
How it scores
How our 8/10 breaks down — rated on the dimensions that matter most for silk pillowcases, from published specifications and third-party test data, not the marketing.
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Compare with alternatives
Quick verdicts for the silk pillowcases most often considered alongside the Ravmix 21 Momme Silk Pillowcase.
Ravmix 21 Momme Silk Pillowcase vs Alaska Bear Natural Silk Pillowcase
The gateway silk — a real 19-momme mulberry case for about $25, with an undyed natural option, that proves the friction benefit before you spend big.
→ The curious first-timer, the sensitive-skin buyer who wants an undyed option, and anyone outfitting several beds without spending premium money on each.
Alaska Bear Natural Silk Pillowcase review →Ravmix 21 Momme Silk Pillowcase vs ZIMASILK 22 Momme Mulberry Silk Pillowcase
The value sweet spot — genuine 22-momme silk on both sides with a hidden zipper for around $37, the same premium spec the beauty brands sell for far more.
→ The value-minded buyer who wants real 22-momme silk — the same weight as Slip and Blissy — without paying for a brand or a marketing campaign.
ZIMASILK 22 Momme Mulberry Silk Pillowcase review →Ravmix 21 Momme Silk Pillowcase vs Blissy Mulberry Silk Pillowcase
The internet's default — the most-reviewed silk pillowcase there is, with a hidden zipper, OEKO-TEX cert and a 60-night guarantee that makes trying it risk-free.
→ The first-time silk buyer who wants a safe, proven pick with a real return window and a color to match every bedroom.
Blissy Mulberry Silk Pillowcase review →Not sure which one is right for you?
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More silk pillowcases we compared
See all →
Mulberry Park Silks 22 Momme Pillowcase
Slip Pure Silk Pillowcase (Queen)
LilySilk 25 Momme Mulberry Silk Pillowcase
Promeed 23 Momme Mulberry Silk Pillowcase with Zipper (Queen)
Frequently asked questions
Ravmix vs Alaska Bear silk pillowcase?
Ravmix's 21 momme is a touch denser and more durable than Alaska Bear's 19, and it adds a hidden zipper vs Alaska Bear's envelope. Alaska Bear is a couple dollars cheaper with an undyed-natural option. Slightly more substance + zipper: Ravmix. Absolute cheapest natural silk: Alaska Bear.
Ravmix vs ZIMASILK?
ZIMASILK is true 22 momme (the durability-and-feel sweet spot) for a bit more money; Ravmix's 21 momme is marginally lighter and cheaper. If you want the sweet-spot weight, ZIMASILK; if you want the lowest price with a zipper, Ravmix. The difference between 21 and 22 is small.
Is 21 momme enough?
Yes for most — it's noticeably more substantial than the 19-momme entry silks and durable enough for regular washing. Only silk purists chasing maximum longevity need to jump to 22-25 momme.
Does the zipper matter?
It keeps the pillow from sliding out on a restless night and looks cleaner than an envelope flap — a real convenience the cheapest silks omit.