Exploded view
Part SR-01 · callouts from the listing and Coop’s product page · Oct 15, 2026
- 1Lulltra coverRemovable zippered outer cover, 60% polyester and 40% viscose rayon from bamboo; the zipper is the only way in to the fill.
- 2Oomph fillLoose cross-cut pieces of memory foam blended with polyester fiber, held in an inner polyester liner; the amount inside sets the height.
- 3Extra fill bagA separate bag of the same fill shipped with the pillow, for raising the loft beyond the factory amount.
- 4Marks on the fill bagGREENGUARD and CertiPUR-US logos printed on the bag; see the spec plate for what we could and could not confirm.
Spec plate
Queen, Original White · from the listing and Coop · Oct 15, 2026- Model
- Original Adjustable Pillow, Queen (model no. 5929842, part C003284)
- Dimensions
- 19 x 29 in; listed thickness 8 in
- Weight
- 3.5 lb (listing)
- Fill
- 76% visco polyurethane foam, 24% polyester gel fiber
- Cover
- 60% polyester, 40% viscose rayon from bamboo; inner liner 100% polyester
- Closure
- Zipper
- Care
- Cover and inner pillow machine-wash cold, gentle; tumble dry low
- Certifications
- CertiPUR-US: Coop listed in the directory. GREENGUARD Gold: claimed, not confirmed
- Warranty
- 5 years (Coop’s site)
- Regulatory status
- Not a medical device; general bedding product
- Adjustability
- Fill is removed or added through the cover zipper; one extra fill bag included (quantity not stated)
Source: Amazon listing B00EINBSEW (technical details) and coopsleepgoods.com, read Oct 15, 2026. CertiPUR-US: “Coop Home Goods” and “Coop Sleep Goods” appear in the CertiPUR-US member directory that day. GREENGUARD Gold is claimed by Coop and printed on the fill bag, but UL’s SPOT directory refused our request, so we could not confirm it. Coop does not state how much fill the extra bag holds.
01Operating principle
The pillow is a fabric bag of loose foam pieces, and its height is simply how much fill is inside and how much it compresses under your head.
Loose pieces instead of a solid block
The fill is cross-cut memory foam mixed with polyester fiber, roughly three parts foam to one part fiber by the listing’s figures [1]. Because the pieces are separate, they move and pack around the head instead of acting as one slab.
Volume sets the loft
Opening the zipper and taking out handfuls lowers the pillow and makes it feel softer; adding fill from the extra bag raises it and makes it feel firmer. Coop describes exactly that trade between fill amount, height and firmness [1][2].
Foam responds to temperature
Memory foam is viscoelastic: it softens with warmth and stiffens when cool. Coop’s listing warns that a cooler room can make the fill feel firmer, so the same amount of fill may feel different in winter [1].
Flattened fill can be loosened
Over time the pieces pack together. Coop’s page suggests about 10 minutes in a dryer to loosen the fill when the pillow starts to feel flat [2].
02Fit check
Good fit
- Anyone who cannot tell what loft they need and wants to set it by trial rather than buy several pillows
- People who switch between side, back and front sleeping; the listing names all three
- Buyers who want both the cover and the inner pillow to be machine-washable
Poor fit
- Anyone who wants a fixed shape that stays the same every night; loose fill shifts and needs fluffing
- People who do not want to open a pillow and handle loose foam pieces
- Those sensitive to new-foam smell: Amazon’s review summary on Oct 15, 2026 showed odor as a frequent complaint
Check first
- Your sleep position and shoulder width, so you know whether to start full or remove fill (see the pillow-height guide)
- Mattress softness: a soft mattress lets the shoulder sink, which changes how much loft a side sleeper needs
- Coop’s care steps say to pin the zipper shut before washing the inner pillow so fill does not spill
03How it holds up in use
This is ordinary bedding, so the useful questions are about build and upkeep rather than clinical results. The fill composition is stated in the listing’s technical details (76% visco polyurethane foam, 24% polyester gel fiber) and the cover is a polyester and bamboo-derived rayon knit over a polyester liner [1]. Coop says it uses newly made foam rather than recycled foam, which is the brand’s statement and not something we could test [1].
On certifications, the foam claim checks out at the program level: the CertiPUR-US member directory listed both “Coop Home Goods” and “Coop Sleep Goods” on Oct 15, 2026 [3]. CertiPUR-US certifies foam, not the whole pillow. The GREENGUARD Gold claim, which concerns chemical emissions, could not be checked because UL’s directory did not load for us.
Research on pillows mostly measures height and shape, not brands. A 2021 review of pillow-height studies concluded that the evidence was not yet strong enough to name one ideal height for back or side sleeping [4]. That is the honest case for an adjustable pillow: it lets you search for your own height rather than accept a factory number.
Plan to spend a few nights adjusting. The pillow ships with its full factory fill plus an extra bag, so a back or front sleeper may need to take fill out before it suits them. Keep the removed fill in a sealed bag in case you want it back. If foam smell bothers you, check the return window shown on the listing before you open the pillow.
04Setup and care
These steps follow the care text on the Amazon listing and Coop’s product page; they describe upkeep, not a promise of a particular result.
Unpack and loosen
Shake the pillow out after it comes out of the box. If it looks flat, Coop suggests a short spell (about 10 minutes) in the dryer to loosen the fill [2].
Set the height
Lie in your usual position. If your head tips up, open the zipper and remove a handful of fill; if it drops, add some from the extra bag. Change a little at a time and try it for a night or two.
Wash the cover
Remove the cover first. Wash cold on a gentle cycle without fabric softener or bleach, tumble dry low, and make sure it is completely dry before use [1].
Wash the inner pillow
Close the zipper with a safety pin so fill cannot escape, then wash cold on a gentle cycle without softener or bleach and tumble dry low until fully dry [1].
05Price and where it is sold
On Oct 15, 2026 the Queen size in Original White was $75.65 on Amazon, sold by Coop Sleep Goods (the brand’s own store) and shipped from Amazon, with a free 30-day refund or replacement shown on the listing and the item in stock. Coop’s own site describes a 100-night guarantee and a 5-year warranty [2]; we did not confirm whether the 100-night guarantee covers Amazon purchases, so rely on the return line on the listing. See the Queen listing on Amazon. As an Amazon Associate we earn from qualifying purchases.
06Who should look elsewhere
- Anyone who wants a contoured one-piece foam shape; compare the TEMPUR-Ergo Neck Pillow (SR-02)
- Anyone who needs a King size or a different shape; Coop sells King and other cuts, which are separate listings not covered here
- Anyone with a sleep-related or spine-related condition who has been given specific positioning advice by a clinician; follow that advice first
Sources
- Amazon. Coop Home Goods Original Adjustable Pillow, Queen, listing B00EINBSEW: feature bullets, technical details and care text. Accessed Oct 15, 2026 (linked in the price section above).
- Coop Sleep Goods. The Original Adjustable Pillow, product page (materials, sizes, fluffing note, guarantee and warranty). Accessed Oct 15, 2026. link
- CertiPUR-US. Member directory search for “coop”. Accessed Oct 15, 2026. link
- Review of the factors used to judge pillow height: spine alignment, body dimensions, contact pressure and muscle activity. Healthcare (Basel), 2021;9(10):1333. PMID 34683013. PubMed
This entry is educational and is not medical advice. It describes what a product is made of and what its labeling says; it does not say the product will change any health condition. If you have a neck, shoulder or breathing condition, ask a qualified clinician what sleeping position and pillow height suit you.