25x25 Outdoor Cushions

25″ × 25″ is a common size for deep seat lounge chairs and modular sofa sections. It’s an odd size to find ready-made, which is why so many replacement cushions end up an inch too small and slide around. We cut yours to 25″ × 25″, within ±0.5″.

Cut within ±0.5″Free shippingShips in 2–3 weeksLifetime price match
At a glance

25″ × 25″ outdoor cushions

Usually fitsDeep seating

Deep seat lounge chairs and modular sofa sections.

Thickness5″–6″

The plush, sink-in feel deep seating is built for. Cut up to 8″.

FoamDry Fast

Quick-drying foam for open patios. High Density under cover.

Measure

Check your size

Measure the seat deck inside the arms, side to side and front to back.
Measure each section of a modular sofa separately; they can differ slightly.
Deep seat backs are usually 25″ wide by 18″ to 22″ tall.
25″ wide25″ deep5″ thick · side view
Sets

Seat and back sets

Order the seat and back in the same Sunbrella fabric so they match. See all deep seat outdoor cushions.

How it works

Order in three steps

1

Open the builder. Your 25″ × 25″ size and a 5″ thickness are filled in; change anything you need.

2

Pick a Sunbrella colour and your foam, or choose cover only. Not sure on colour? Order a swatch.

3

We cut and sew your cushion to within ±0.5″ and ship it in 2–3 weeks, with free shipping.

Other sizes

Shop by size

FAQ

Questions

Do you make matching back cushions?

Yes. Add a back cushion in the builder, in the same fabric as the seat.

Can I get a 25x25 cover only?

Yes. Order cover only to fit foam you already have.