Is this considered a firm mattress?

Once you unzip it, you ruin any chance of returning. I can see why. Tried to post photo, but wouldn't take it. Looks nothing like the photo you see about it & it's very hard. I've bought several toppers trying to soften it up.

What is the return policy if any?

You cannot return a mattress but Amazon did give me a full credit.

Will this fit on a regular bed frame?

It should. It's a standard Twin XL 10 inch mattress.

What bed frame is in the main photos?

Looks like it might be the Thuma bed frame. The foam headboard and slatted joist work give it away, although many other companies make similar looking frames, and may also do the foam headboard thing.

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Siena 10” Twin Gel Memory Foam Mattress - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - CertiPUR-US® Certified

Siena 10” Twin Gel Memory Foam Mattress - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - CertiPUR-US® Certified

Product ID: 502995855

Details

Style
10” Memory
Size
Queen
Special features
180 Night Back
Colour
White
Upholstery fabric type
Polyester

⏳180-night risk-free trial

🛏️10-inch premium memory foam layers

🛡️10-year warranty protection

$1715.08

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛌 Elevate your nights with Siena — where luxury meets lasting comfort!

BUILT TO LAST - Backed by a 10-year warranty, ensuring durability and peace of mind for years to come.
ECO SAFE CLEAN - CertiPUR-US certified and free from harmful chemicals, promoting a healthier sleep environment.
RISK FREE RECHARGE - Enjoy a 180-night home trial—test it thoroughly or return it, no questions asked.
SLEEP ON CLOUD NINE - Medium-firm design balances plush comfort with optimal spinal support for rejuvenating rest.
MOTION ISOLATION MASTERY - Advanced memory foam layers minimize partner and pet disturbances for uninterrupted sleep.

The Siena 10” Queen Memory Foam Mattress features five premium layers including 2” pressure-relieving memory foam, designed for medium-firm support that adapts to your body. Certified safe and eco-friendly, it offers a 180-night trial and a 10-year warranty, all conveniently delivered in a compact mattress-in-a-box format.

Specifications

ASIN	B09RF5BJ78
Additional Features	180 Night Trial, Back Pain Relief, Breathable and Cool, Low Motion Transfer, Pressure Relief
Age Range Description	Adult
Best Sellers Rank	#302,535 in Home ( See Top 100 in Home ) #1,760 in Mattresses
Brand Name	Siena
Color	White
Colour	White
Customer Reviews	5.0 out of 5 stars 1 Review
Finish Types	Unfinished
Form Factor	Platform Bed
Frame Material Type	Polyethylene
Frame material	Polyethylene
Included Components	Mattress
Item Depth	38 inches
Item Dimensions	190.5 x 96.5 x 25.4 centimeters
Item Dimensions L x W x H	190.5L x 96.5W x 25.4H centimeters
Item Type Name	Bed Mattress Conventional
Manufacturer	Siena Mattress
Manufacturer Part Number	sienamattress-s:twin
Material Type	Memory Foam Gel Memory Foam
Maximum Weight Recommendation	500 Pounds
Model Number	sienamattress-s:twin
Number of Items	1
Product Care Instructions	Hand Wash Only
Required Assembly	No
Shape	Rectangular
Size	Twin
Special features	180 Night Trial, Back Pain Relief, Breathable and Cool, Low Motion Transfer, Pressure Relief
Style	10” Memory Foam
Style Name	10” Memory Foam
UPC	860007676376
Upholstery Fabric Type	Polyester Blend
Upholstery fabric type	Polyester Blend
Weight Capacity Maximum	500 Pounds

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