Yes, mostly — and the times they do not are predictable. This is the question that stops more people buying a sofa cover than any other, so it deserves a straight answer rather than a sales one.
What the backing does
Our covers have a non-slip backing on the underside. It is not adhesive and it is not a suction surface; it is a textured backing that increases friction against upholstery. On a fabric sofa it works well. On smooth leather it works less well, because there is less for it to grip.
If your sofa is leather or faux leather, expect to straighten the cover more often than someone with a linen sofa does. It will still stay on; it will move an inch or two over a week of use.
The three things that actually decide it
Fit. A cover that is too big is the single biggest cause of slipping. The excess has to go somewhere, so it bunches, and bunched fabric slides. Measure before you buy rather than after.
Tucking. Push the cover firmly into the crease between the seat and the back along the full width. That crease is what holds a cover in place; the backing only helps. Five minutes of tucking on the day it arrives is worth more than any amount of adjusting later.
Cushions. If your seat cushions lift out, put the cover down first and the cushions back on top. The weight of the cushions on the cover is the most effective anchor there is, and it is free.
How to measure
Measure the width across the back of your sofa, from the outer edge of one arm to the outer edge of the other. That number, not the number of seats, is what to match. Sofas sold as three-seaters vary by more than a foot.
- Armchair — 72 by 76 inches
- Recliner sofa — 82 by 72 inches
- Loveseat — 94 by 76 inches
- Sofa — 114 by 76 inches
- Oversized — 126 by 76 inches
If you are between two sizes, take the larger one and tuck the difference into the seat crease. A cover slightly too large that is tucked properly behaves better than one slightly too small that is stretched.
Recliners and sectionals
Recliners work, with a caveat: the cover moves when the footrest goes up and needs straightening afterwards. The recliner fit is cut for this, but no cover can follow a mechanism without shifting.
Sectionals need one cover per section rather than one long one. Most people buy a sofa fit for the long side and an armchair fit for the chaise, and the seam falls where the sections meet anyway.
What they are actually for
Most people buy a cover for a reason, and the reason is usually an animal. A quilted cover takes hair, mud and claws, and then goes in the machine on cold and dries on low. The upholstery underneath stays as it was.
That is why the dog designs are the most bought group we have. If the reason is aesthetic rather than practical, florals and landscapes change a room faster than anything else you can do for the price, and blue and green hide the most wear between washes.
The sofa shapes that are hardest
Some sofas are simply less cooperative, and it is fair to say so before you buy.
- Smooth leather with tight upholstery — the least friction of anything. The cover stays on but shifts with use and needs straightening every few days.
- Deep, low-backed modern sofas — there is a shallow seat crease to tuck into, which removes the main anchor. Weighting the cover with the seat cushions matters more here than anywhere.
- Sofas with attached back cushions — no crease at all in places. Tuck what you can and accept a little movement.
- Recliners mid-motion — nothing holds through a mechanism. Straighten after use.
The easiest sofas, for what it is worth, are ordinary fabric three-seaters with loose seat cushions and a defined crease. On those a well-fitted cover stays put for weeks.
If it still slips
Three fixes, in the order worth trying. First, re-tuck properly along the whole seat crease rather than just the middle — most slipping is under-tucking at the arms. Second, put non-slip rug underlay, cut to size, between the cover and the seat; it costs a few dollars and solves the leather problem entirely. Third, if the cover is genuinely a size too large, exchange it rather than fighting it.
What a cover will not do
It will not make a sagging sofa firm, it will not hide a broken frame, and it will not stop a cat that has decided the arm is a scratching post — it will only take the damage instead of the upholstery, which is often the point. It also will not survive being pulled at by a puppy every day for a year, though it will wash more times than the sofa underneath would have tolerated.
Set against that, a cover that fits and is tucked properly gets a sofa through a decade of dogs, children and Sunday lunches, and comes off in five minutes when guests arrive.
How long the first fitting takes
Twenty minutes, once, and then almost nothing. Lay the cover on, centre it by eye rather than by measuring, and work the seat crease from one arm to the other with the flat of your hand rather than your fingertips. Fingertips push the fabric in at points and leave slack between them; a flat hand pushes an even line of it in.
Then put the seat cushions back and sit down on it. The cover will move once as it settles under weight, and that is the movement you straighten. After that it stays.
People who report that a cover never settles have almost always skipped this and judged the fit from the cover spread loosely over the sofa, which is the worst it will ever look.
Two covers, one sofa
A number of customers keep two and swap them — one on the sofa, one in the wash, or one for the season and one for the rest of the year. It is the cheapest way to make a room feel different in October and again in December without buying furniture, and it means the muddy one can go in the machine without the sofa being bare for an afternoon.
From the range
Covers cut to the five sizes described, so the fit does the work: