{ "id": "ivory-21-momme-silk-pillowcase-queen", "sku": "ivory-21-momme-silk-pillowcase-queen", "title": "Ivory 21 Momme Mulberry Silk Pillowcase, Queen", "slug": "ivory-21-momme-silk-pillowcase-queen", "price": 51.99, "currency": "USD", "availability": "in_stock", "category": "silk-pillowcases", "category_label": "Silk Pillowcases", "tags": [], "colors": [], "materials": [], "dimensions": null, "weight": "110 g", "images": [ "https://mulberrysilk.store/dropship-images/silk-pillowcases/ivory-21-momme-silk-pillowcase-queen/main-ivory-21-momme-silk-pillowcase-queen.jpg", "https://mulberrysilk.store/dropship-images/silk-pillowcases/ivory-21-momme-silk-pillowcase-queen/ivory-21-momme-silk-pillowcase-queen-2.jpg", "https://mulberrysilk.store/dropship-images/silk-pillowcases/ivory-21-momme-silk-pillowcase-queen/ivory-21-momme-silk-pillowcase-queen-3.jpg", "https://mulberrysilk.store/dropship-images/silk-pillowcases/ivory-21-momme-silk-pillowcase-queen/ivory-21-momme-silk-pillowcase-queen-4.jpg" ], "description_short": "Woven from 100% silk at a 21 momme weight with a 600 thread count and a hidden zipper closure, sized 20 x 30 inches to fit a queen pillow without bunching.", "description": "The problem with waking up looking like you fought your pillow\n\nMost people blame their hair, their skin or their sleep position for how they look at 7am. The pillowcase rarely gets a thought. It should.\n\nCotton feels soft to the hand, but under a microscope the weave is a field of tiny ridges. Every time you turn over, hair and skin drag across those ridges. Over a full night, that adds up to a lot of small pulls and presses. It is why long hair ends up tangled at the nape, why one cheek carries a crease pattern for the first hour of the day, and why some people's hair looks flat on one side and wild on the other.\n\nSilk changes the surface, not the sleeper. The fiber is a continuous protein filament rather than a short staple spun into yarn, so the finished cloth is smoother. Hair slides instead of catching. Skin rests on the fabric rather than gripping it. That is the whole mechanism, and it is a material fact about how the fabrics behave, not a promise about what will happen to you.\n\nHow momme actually works\n\nMomme is the number that matters most when you compare silk, and it is the one most listings bury.\n\nThink of it as the weight class of the fabric. Cotton uses thread count, wool uses microns, silk uses momme. The higher the number, the heavier and denser the cloth. Lightweight silks around 12 to 16 momme are used for scarves and linings. They are lovely to look at but thin, and on a pillowcase they wear through at the seams faster than you would like.\n\nSomewhere around 19 to 22 momme is where pillowcases get good. The fabric has enough body to hold its shape, enough density to survive a weekly wash, and still that fluid drape silk is bought for. This one sits at 21 momme, right in that band. Pick it up and you will feel the difference against a thin silk immediately. It has heft, the way a good shirt does.\n\nPushing much higher than 22 or 25 momme gets you a heavier, more structured cloth. Some people love it. Others find it loses a little of the cool, liquid feel they wanted in the first place. For general use, the best mulberry silk pillowcase for most households sits in that low-twenties range.\n\nThe 600 thread count listed alongside tells you about weave density. With silk it is secondary to momme, but a dense, even weave is what gives you that uninterrupted sheen and a surface with no rough patches.\n\nGetting the size right\n\nUS pillow sizing is simple once you know the three numbers. Standard is 20 x 26 inches. Queen is 20 x 30 inches. King is 20 x 36 inches.\n\nThis case is cut to 20 x 30 inches, so it is a queen. Here is the practical bit most guides skip. The width is the same across all three sizes, so the only question is length. A standard pillow will slide into a queen case and sit a little loose, with a few inches of spare fabric at one end. Plenty of people do this deliberately because they like the softer, less stretched look. What you cannot do is force a king pillow into a queen case. It will strain the seams and the zipper.\n\nIf you are not sure what you own, take a tape measure to the pillow itself rather than the case currently on it. Old cases stretch, and a stretched case will give you a misleading number.\n\nWhy the closure matters more than you think\n\nThere are three common ways a pillowcase closes. An open end, an envelope flap and a zipper.\n\nOpen ends are the cheapest to make and the worst in practice, because the pillow works its way out while you sleep. Envelope flaps are better, but with a slippery fabric like silk the flap can still slide free, and you wake to find a bare pillow corner against your face.\n\nA zipper solves it. This case uses a hidden zipper set into the seam, which does two jobs at once. The pillow stays put all night, and the sleeping face stays completely smooth with no hardware showing. Look for the zipper to run long enough that a well-stuffed pillow goes in without wrestling. A short zipper on a plump pillow is how seams get stressed.\n\nWho this suits\n\nSide sleepers get the most obvious benefit, since half the face spends the night in contact with the fabric. People with long hair are next, especially anyone who goes to bed with it loose rather than tied up.\n\nHot sleepers are the other group worth mentioning. Silk is breathable and does not hold heat against the skin the way some dense synthetics do. If your current routine involves flipping the pillow three times a night chasing the cool side, a cooling silk pillowcase is a cheap experiment with a reasonable chance of helping.\n\nIt also travels unusually well. At 110 g it weighs almost nothing and folds down to the size of a paperback. Keeping one in a carry-on means a hotel pillow of unknown quality at least has a familiar surface.\n\nAnd it makes a straightforward gift. There is no sizing anxiety beyond matching a queen pillow, the ivory white is neutral enough for any bedroom, and silk bedding is the category of thing most people enjoy receiving but never get around to buying for themselves.\n\nLiving with it\n\nThe reputation silk has for being high maintenance is mostly outdated. This one is machine washable.\n\nCold water, gentle cycle, mesh laundry bag. Use a mild detergent, ideally one made for delicates, and use less than you think you need. What ruins silk is not washing, it is the extras. Bleach breaks down the protein fiber. Fabric softener coats it and dulls the sheen you paid for. Stain removers are usually too harsh.\n\nWash it separately from anything with zippers, hooks or rough textures, because those are what snag a fine weave. Then line dry out of direct sunlight. Sun is harder on silk dye than detergent is. If you need to use a dryer, lowest no-heat setting, and pull it out while still a touch damp.\n\nPressing is optional. If you want it crisp, use a cool iron on the reverse side while the fabric is slightly damp.\n\nA weekly wash is the right rhythm for most people. If you use rich night creams or leave-in hair products, make it more often, since those transfer onto the fabric and build up over time.\n\nWhat to compare when you shop\n\nFour questions sort the good from the forgettable.\n\nFirst, is it 100% silk, or a blend with a silk-look finish. A satin weave in polyester will be described in language that sounds similar and feels nothing alike after a month.\n\nSecond, what is the momme. If a listing does not say, that usually tells you the answer is low.\n\nThird, how does it close, and does the zipper run the full length.\n\nFourth, what is the real size in inches, not a vague size name. Sizing conventions differ between countries and a mismatch is the single most common reason a pillowcase gets returned.\n\nThe short version\n\nThis is a 20 x 30 inch queen pillowcase in ivory white, woven from 100% silk at 21 momme with a 600 thread count and closed with a hidden zipper. It weighs 110 g and goes in the washing machine on a cold gentle cycle.\n\nThe 21 momme weight is the part worth paying attention to, because it is the difference between a silk pillowcase that lasts and one that frays within a season. If you sleep on your side, have long hair, run hot at night, or just want the bed to feel a bit better than it does now, this is the practical place to start.", "llm_summary": "This is an ivory white queen silk pillowcase made from 100% silk at a 21 momme weight with a 600 thread count. It measures 20 x 30 inches (30\"L x 20\"W) to fit a US queen pillow and closes with a hidden zipper. The pattern is solid, the style is described as modern, and the item weight is 110 g. Care is machine wash. The pack contains one pillowcase. Country of origin, brand and fill are not stated by the maker, and no certifications or ratings are claimed here.", "returnable": true, "return_policy": "Voluntary 14-day change-of-mind returns in original condition, buyer pays return postage; state consumer protection law and implied warranties for faulty goods. Return postage on faulty goods is ours.", "shipping_profile": "standard", "warranty": null, "brand": "Mulberry Silk Company", "gtin": null, "mpn": null, "condition": "new", "url": "https://mulberrysilk.store/ivory-21-momme-silk-pillowcase-queen/", "canonical_url": "https://mulberrysilk.store/ivory-21-momme-silk-pillowcase-queen/", "json_url": "https://mulberrysilk.store/api/products/ivory-21-momme-silk-pillowcase-queen.json", "updated_at": "2026-10-12" }