Outdoor Seat Cushion 28.5 x 28.5 Navy Blue - Waterproof Deep Seat

In this review the Outdoor Seat Cushion 28.5 x 28.5 Navy Blue is examined for homeowners who want a straightforward, durable replacement set for deep-seat patio chairs. The reviewer found the two-piece set (one back cushion and one seat bottom) best suited to standard deep garden and deck sofas, with the biggest single reason to buy being the combination of a waterproof 300GSM polyester cover and resilient medium-firm foam that keeps shape over time. It is not a luxury indoor cushion, but it delivers reliable comfort and weather protection for everyday outdoor use.

Key Features

• Waterproof cover: The 300GSM high density polyester with a PU coating repels splashes and light rain to keep foam drier between uses.
• Comfortable foam: Medium-firm high-density foam provides immediate support while rebounding quickly to maintain thickness and comfort.
• Secure fit: Attached ties hold cushions in place on chairs and prevent sliding on benches or wicker frames.
• Easy care: A hidden zipper allows the cover to be removed for spot cleaning or replacement without disrupting the foam.
• Attractive finish: The navy blue fabric gives patio furniture a refreshed, coordinated look while staying practical for outdoor settings.

Who It's For

This set is ideal for homeowners with deep-seat patio sofas or chairs who need a reasonably priced, durable replacement that focuses on function and basic style rather than premium upholstery. Garden, deck, and backyard users who experience occasional splashes or morning dew will appreciate the waterproof coated cover and quick-rebound foam.

Those who should look elsewhere include buyers seeking fade-proof performance for very sunny, high-UV locations and customers wanting a plush, down-like seating experience; several users have reported some fading over time, so high-sun exposures may benefit from specialty UV-rated fabrics or covered seating.

Pros & Cons

Pros

• Water-resistant cover that reduces moisture penetration and simplifies outdoor use.
• Firm, supportive foam that maintains shape and comfort for regular use.
• Well-considered details such as ties and a hidden zip for secure placement and easier care.
• Good value and color options that improve the look of patio furniture.

Cons

• Not designed as a sunproof fabric; some customers report fade resistance issues in bright, unshaded locations.

Specifications

Brand	idee-home
Size	28.5 x 28.5 in (set: 1 back, 1 seat)
Cover material	300GSM high density polyester with PU waterproof coating
Foam	Medium-firm high-density foam, quick rebound
Details	Attached ties; hidden zipper
Color	Navy blue

Our Verdict

The 28.5 x 28.5 navy blue outdoor seat cushion set is a practical, good-value choice for anyone replacing deep-seat patio cushions who wants water resistance and dependable foam support. It performs well for everyday outdoor living and refreshes furniture appearance, though those needing extra fade resistance in full sun should consider specialized UV-rated options.

Frequently Asked Questions

Are these cushions fully waterproof?
They have a waterproof PU-coated polyester cover that resists splashes and light rain but the cushions are not guaranteed for full submersion.

Do the covers come off for washing?
Yes, each cushion has a hidden zip so the cover can be removed for spot washing or replacement.

Will these fit any deep seat sofa?
The set includes one back and one seat sized 28.5 x 28.5 in; measure your furniture to ensure the dimensions match before purchasing.