Photo comingPurple
Purple Royal Seat Cushion
Grid cushion the maker describes as extra plush, 2 in thick. 17.5 x 15.75 x 2 in, 6 lb, washable cover.
About $119 at Purple when we checked, October 2026
All picks
14 seat cushions and chair pads, grouped by where you sit. Some sit in more than one group.
Facts and prices checked on makers' and stores' pages in October 2026. The order within each group is not a ranking.
Office or desk chair
Photo comingPhoto comingPurple
Purple Double Seat Cushion
Two-sided grid cushion: one soft side, one firm side. 18 x 16 x 2 in, 5 lb, washable cover with handles.
About $139 at Purple when we checked, October 2026
Photo comingPurple
Purple Ultimate Seat Cushion
Purple's biggest and thickest: 21.75 x 18 x 2.5 in, 7.3 lb.
About $159 at Purple when we checked, October 2026
Photo comingIKEA
IKEA PYNTEN seat pad
A chair pad, not a desk-ergonomic cushion.
Thin polyester seat pad made for two IKEA desk chairs, with an anti-slip underside.
About $10 at IKEA when we checked, October 2026
Photo comingBetter Homes & Gardens (Walmart brand)
Better Homes & Gardens Memory Foam Chair Cushion
A chair pad, not a desk-ergonomic cushion.
Backless memory foam chair pad with two ties, reversible.
About $16.14 at Walmart when we checked, October 2026
Photo comingBetter Homes & Gardens (Walmart brand)
Better Homes & Gardens Shredded Memory Foam Chair Cushion
A chair pad, not a desk-ergonomic cushion.
Backless shredded-foam chair pad with two sets of ties, 16 x 14.5 in.
About $16.14 at Walmart when we checked, October 2026
Car or truck seat
Photo comingCushion Lab
Cushion Lab Cloud Cradle Car Seat Cushion
Shaped memory foam for car seats, 20 x 18 x 2.5 in, non-slip bottom, washable cover.
About $79 at Cushion Lab when we checked, October 2026
Photo comingPurple
Purple Simply Seat Cushion
Purple's thinnest and lightest: 1.25 in, 4 lb, washable cover.
About $99 at Purple when we checked, October 2026
Photo comingPurple
Purple Ultimate Seat Cushion
Purple's biggest and thickest: 21.75 x 18 x 2.5 in, 7.3 lb.
About $159 at Purple when we checked, October 2026
Photo comingQUTOOL (sold by Qutool Network Inc.)
QUTOOL Gel Car Seat Cushion
Thin honeycomb gel pad, 0.78 in, non-slip bottom, cutout at the back (per the seller).
About $21.60 at Walmart when we checked, October 2026
Travel and on the go
Photo comingKlymit
Klymit V Seat
Inflatable seat, 2.6 oz, packs to pocket size, 14 x 14 x 1 in.
About $12.95 at Klymit when we checked, October 2026
Photo comingTherm-a-Rest (Cascade Designs)
Therm-a-Rest Z Seat
Folding closed-cell foam sit pad, 2 oz, 16 x 13 x 0.75 in.
About $33.95 at REI when we checked, October 2026
Photo comingTherm-a-Rest (Cascade Designs)
Therm-a-Rest Lite Seat
Self-inflating seat, 1.5 in thick, adjustable firmness, 4 oz.
About $41.95 at Therm-a-Rest when we checked, October 2026
Photo comingPurple
Purple Simply Seat Cushion
Purple's thinnest and lightest: 1.25 in, 4 lb, washable cover.
About $99 at Purple when we checked, October 2026
Sofa, dining or gaming chair
Photo comingPurple
Purple Royal Seat Cushion
Grid cushion the maker describes as extra plush, 2 in thick. 17.5 x 15.75 x 2 in, 6 lb, washable cover.
About $119 at Purple when we checked, October 2026
Photo comingPurple
Purple Ultimate Seat Cushion
Purple's biggest and thickest: 21.75 x 18 x 2.5 in, 7.3 lb.
About $159 at Purple when we checked, October 2026
Photo comingIKEA
IKEA JUSTINA chair pad
2 in foam chair pad, cotton cover, hook-and-loop fasteners, reversible, machine washable.
About $9.99 each at IKEA when we checked, October 2026
Photo comingIKEA
IKEA MALINDA chair pad
3 in thick fibre-filled cotton chair pad, machine washable.
About $9.99 each at IKEA when we checked, October 2026
Photo comingBetter Homes & Gardens (Walmart brand)
Better Homes & Gardens Memory Foam Chair Cushion
A chair pad, not a desk-ergonomic cushion.
Backless memory foam chair pad with two ties, reversible.
About $16.14 at Walmart when we checked, October 2026
Photo comingBetter Homes & Gardens (Walmart brand)
Better Homes & Gardens Shredded Memory Foam Chair Cushion
A chair pad, not a desk-ergonomic cushion.
Backless shredded-foam chair pad with two sets of ties, 16 x 14.5 in.
About $16.14 at Walmart when we checked, October 2026