How long do I need to let this “rise” out of the packaging before I use it?

The moment you cut into the plastic, it should rise. The package reminds me of the vacuum-seal products on the market.

Is it to soft that it won’t support your tailbone?

It has good support, however if you are tall it raises you up a bit. I use it on trips longer than 2 hours and find it helps.

I'm a large man at 300 lbs? Will it work or will I just pancake it?

It's a little more than straight mem foam so it's not too bad, I am 300+ lbs as well and I use it in the car , seems to work well....

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🖤 Sit Smart, Feel Elite: Elevate your back game with SAIREIDER’s memory foam magic!

STAY PUT STABILITY - Non-skid bottom and dual adjustable straps ensure your cushion stays exactly where you need it—no slipping, no fuss.
MEMORY FOAM MASTERY - High-density memory foam rebounds instantly, maintaining shape and comfort without flattening.
SPINE HUGGING SUPPORT - Anatomically contoured lumbar pillow cradles upper, middle, and lower back for all-day posture perfection.
TAILBONE RELIEF ELEVATED - U-shaped cutout suspends your coccyx, eliminating pressure and sciatica pain during long sits.
VERSATILE COMFORT ANYWHERE - Perfect for office chairs, cars, gaming seats, and even wheelchairs—comfort that travels with you.

The SAIREIDER Seat Cushion Lumbar Support Pillow combines ergonomic U-shaped design with premium SGS-certified memory foam to relieve back, tailbone, and sciatic nerve pain. Featuring a non-slip base and adjustable straps, it fits a variety of seats from office chairs to car seats, promoting healthy posture and all-day comfort for professionals on the move.

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TrustPilot

TrustScore 4.5 | 7,300多个评论

阿里·H.

发货快，包装精良。Leatherman 工具手感非常高档和坚固。

1天前

Farhan Q.

交货时间非常好，包装也很安全。

2 个月前

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Manufacturer	SAIREIDER
Model Number	Seat Cushion &Back Support-LS01b
Package Dimensions	42.8 x 20.2 x 19.8 cm
Material	Foam
Color	Black
Volume	458.16 Cubic Inches
Size	Universal dimensions
Special Features	Adjustable
Package Weight	1.39 Kilograms
Batteries Required	No
Batteries Included	No
Material Care Instructions	Machine Wash
Brand Name	SAIREIDER

SAIREIDER Seat Cushion Lumbar Support Pillow for Office Chair, Memory Foam Car Seat Cushion Backrest Support Pillow Relieves Back, Lumbar, Coccyx, Sciatic Nerve Pain (Black)

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