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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SAIREIDER Seat Cushion and Lumbar Support Pillow for Office Chair, Memory Foam Car Seat Cushions Back Support Pillows, Help Relieve Pain of Back, Lumbar, Tailbone and Sciatic Nerve（Black）

SAIREIDER Seat Cushion and Lumbar Support Pillow for Office Chair, Memory Foam Car Seat Cushions Back Support Pillows, Help Relieve Pain of Back, Lumbar, Tailbone and Sciatic Nerve（Black）

Product ID: 506373937

Details

Brand
SAIREIDER
Color
Seat
Fill Material
Memory Foam
Size
Universal
Special Feature
Adjustable

🔒Non-slip base & adjustable straps for secure fit

🧠100% high-density memory foam, SGS certified

🛋️U-shaped coccyx cutout for pressure relief

€ 145.38

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💺 Elevate your sit game—comfort that commands attention!

MEMORY FOAM MAGIC - Premium high-density memory foam rebounds fast, never flattens—lasting support you can trust.
SPINES BEST FRIEND - Anatomically contoured lumbar pillow supports upper, middle & lower back for all-day comfort.
STAY PUT STAY COMFORTABLE - Non-slip bottom and dual adjustable straps ensure your cushion and pillow stay exactly where you need them.
VERSATILE COMFORT ANYWHERE - Perfect for office, car, gaming, or travel—relieve back, tailbone, and sciatic nerve pain wherever you sit.
TAILBONE PRESSURE SUSPENDED - Ergonomic U-shaped cutout keeps your coccyx pain-free and posture perfect.

The SAIREIDER Seat Cushion and Lumbar Support Pillow set features a U-shaped coccyx cutout and anatomically designed lumbar support made from SGS-certified high-density memory foam. Designed to relieve pressure on the back, tailbone, and sciatic nerve, it includes a non-slip base and adjustable straps for secure placement on various chairs. Ideal for office, car, gaming, and travel use, this set promotes healthy posture and long-lasting comfort for professionals and commuters alike.

Specifications

ASIN	B0BLHWZ3VJ
Age Range Description	Adult
Best Sellers Rank	#8,465 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #7 in Lumbar Pillows
Brand Name	SAIREIDER
Coin Variety 1	Lumbar Support,Memory Foam,Seat Cushion
Color	Seat Cushion&lumbar Pillow-black
Customer Reviews	4.4 4.4 out of 5 stars (1,965)
Fabric Type	100% Memory Foam
Fill Material	Memory Foam
Item Dimensions L x W	13.8"L x 12"W
Item Firmness Description	Soft
Item Type Name	Seat Cushion and Lumbar Pillow
Manufacturer	SAIREIDER
Manufacturer Part Number	seat cushion lumbar support-01b
Material Type	Memory Foam
Model Name	Seat Cushion and Back Support Pillow
Model Number	Seat Cushion &Back Support-LS01b
Number of Pieces	1
Pattern	Solid
Product Care Instructions	Machine Wash
Recommended Uses For Product	Car
Shape	Rectangular
Size	Universal dimensions
Special Features	Adjustable
Target Use Body Part	Back, Legs
UPC	342976985661
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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