FOAMERA · COLLECTION

Custom Bay Window Seat Cushions

Custom bay window seat cushion handcrafted to angled measurements by Foamera

Bay window seat cushions are cut to the angled shape of your bay — as one trapezoid cushion or a matched three-section set that follows each pane wall so there are no gaps in the corners. Enter your front and back widths and choose your foam and fabric; the angles are built in. No quote form, no waiting.

Free worldwide shipping 14-day fit guarantee Pay in installments
14-Day Perfect-Fit Guarantee
Not the right fit? We remake your cushion — free. Order with total confidence.
Free worldwide shippingOn every order, tracked to your door — no minimum.
Pay your wayAll major cards, PayPal, Shop Pay & Affirm — split into interest-free installments.
VISAMASTERCARDAMEXPAYPALSHOP PAYAFFIRM
Free gift over $250Spend $250+ and choose a handmade gift at checkout — on us.
Independently certified — safe & made to last
OEKO-TEX® Standard 100Fabrics tested safe for skin
CertiPUR-US®Certified foam, low-VOC
ISO 9001Quality-managed workshop

Bay window cushions — answered

Should I get one cushion or a three-section set for my bay?

Both fit an angled bay. A single trapezoid cushion looks seamless; a three-section set (one per pane wall) is easier to lift for storage below and hugs each angle precisely. Most bays suit the 3-section approach — tell us which you prefer.

How do you handle the angled corners?

We build the trapezoid and angled shapes into the cushion from your front and back widths, so the front edge follows the glass and the back sits flush to the wall with no triangular gaps.

How do I measure a bay window seat so the fit is right?

Measure the front and back width of each angled section and the depth into the corners, rounding to the nearest cm or ¼ inch. Every cushion is cut to ±1 cm. Not sure on the angles? Send a photo on WhatsApp and we work them out before we make it.

How thick should a bay window cushion be?

2–3″ of high-density foam gives a firm, comfortable perch without sitting too high in the window; go to 4″ if you'll lounge in the bay. You set the exact thickness when you customize.

How long does it take and do you ship to me?

Each cushion is made to order and shipped worldwide with free, tracked delivery — you'll see the current lead time at checkout. If the fit isn't right, our 14-day perfect-fit guarantee means we remake it.

Not sure about your angles? We'll help — free.

Send your bay measurements or a photo. Our makers work out the angles and reply with the exact fit — no obligation, no pushy sales.

Get a free size check

47 products