Can I put it directly on the sofa couch platform or do I need an interface between the mattress and the springs in the fold out couch?

I threw away my old mattress with springs and set the new mattress on top of the bars. I tried it out and couldn't feel the bars underneath at all. Folds back in as usual. I bought a mattress support board to put under my old mattress. It helped, but it doesn't fold up with the mattress. You have to remove it and store it. I'm keeping it in case I have a guest that wants a harder mattress, or if this memory foam one eventually wears out. So far I'm extremely happy with this mattress.

Does this come with the couch plus the pull out bed?

No. You need couch that already has the bed to pull out feature

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Heyward Premium Memory Foam Sofa Bed Replacement Mattress for Twin Size Sleeper | 4.5” Inch | CertiPUR-US Certified | Washable Material w/Non-Slip Base | 75”L x 38”W x 4.5”H HEYSMMT450BL

Heyward Premium Memory Foam Sofa Bed Replacement Mattress for Twin Size Sleeper | 4.5” Inch | CertiPUR-US Certified | Washable Material w/Non-Slip Base | 75”L x 38”W x 4.5”H HEYSMMT450BL

Product ID: 505278603

Details

Brand
Heyward
Cover Material
Knitted Fabric
Fill Material
Memory Foam
Item Firmness Description
Medium
Item Weight
10.55 kg
Number of Layers
2

🧼washable, breathable knitted cover

🛏️4.5-inch premium dual-layer memory foam

🛡️CertiPUR-US certified safe foam

Description

🛋️ Sleep Like a Boss: Upgrade Your Sofa Bed Game Instantly!

HYGIENIC EASY CARE - Removable, washable cover keeps your mattress fresh and inviting.
EFFORTLESS SETUP FIT - Vacuum-packed for convenient delivery, expands quickly to fit standard queen sofa beds.
VERSATILE GIFT READY - Perfect for guest rooms, dorms, AirBnBs, or as a thoughtful housewarming gift.
ERGONOMIC DUAL LAYER SUPPORT - Relieves back, neck, and joint pain for truly restful nights.
UPGRADE YOUR GUEST EXPERIENCE - Transform any sofa bed into a luxury sleep haven with plush, supportive foam.

The Heyward Premium Memory Foam Sofa Bed Replacement Mattress offers a 4.5-inch thick, CertiPUR-US certified dual-layer memory foam core that provides superior ergonomic support. It features a breathable, washable knitted cover with a non-slip base, designed to fit standard queen-size sleeper sofas (73”L x 58”W). Vacuum-packed for easy shipping and quick expansion, this mattress is ideal for upgrading guest rooms, dorms, or vacation homes with a comfortable, hygienic, and durable sleep surface.

Specifications

ASIN	B0BGT8CPTJ
Additional Features	Bi-Layered, Memory Foam, Removable Cover
Age Range Description	Adult
Best Sellers Rank	#2,054,225 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #3,629 in Mattresses
Brand Name	Heyward
Color	Blue
Construction Type	Memory Foam
Cover Material	Knitted Jacquard Fabric
Customer Reviews	4.2 4.2 out of 5 stars (259)
Fill Material	Memory Foam
Global Trade Identification Number	00843812174558
Item Dimensions	75 x 38 x 4.5 inches
Item Dimensions L x W x Thickness	75"L x 38"W x 4.5"Th
Item Firmness Description	Medium
Item Thickness	4.5 inches
Item Type Name	Sofa Bed
Item Weight	10.55 kg
Manufacturer	Heyward
Manufacturer Part Number	HEYSMMT450BL
Material Type	Memory Foam
Mattress Comfort Layer Material	Memory foam
Model Name	HEYSMMT450BL
Model Number	HEYSMMT450BL
Number of Items	1
Number of Layers	2
Product Benefits	Improves sleep and provides back pain relief
Product Care Instructions	Machine Wash
Size	Twin
UPC	843812174558
Unit Count	1 Count
top-style	plush_top

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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