Full Mattress 12 Inch in a Box, Hybrid Full Mattress with Memory Foam and Innersprings, Medium Firm Full Size Mattress for Motion Isolation and Pressure Relief, CertiPUR-US
Condition: New
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90-day refund / replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Sunday, Apr 19
Style: 12 inch
Size: Full
Features
- Perfect Balance of Comfort & Support Hybrid full mattress features a slow-response gel memory foam that cradles your body's contours, providing a cloud-like embrace for melting away muscle tension. Beneath it, hundreds of individually pocketed springs work in harmony to deliver targeted support and pressure relief. No matter your sleep positionback, side, or stomachyou'll wake up energized, refreshed, and free from morning stiffness
- Sleep Safely & Soundly Dual-certified by CertiPUR-US and Oeko-Tex Standard 100, our full mattress achieves the highest standards for quality and safety. It's completely free from harmful chemicals and fiberglass, offering you and your loved ones a truly healthy sleep. Ideal for all ages and all households
- 7-Zone Ergonomic Support Unlike traditional mattress, this medium firm full mattress comes with a zoned support system designed to target 7 key areas of your body: head, neck, shoulders, lumbar, hips, legs, and feet. Each zone delivers targeted support to align your spine naturally and distribute pressure evenlyhelping you enjoy deeper relaxation and wake up feeling truly refreshed
- Quiet & Undisturbed Sleep Say goodbye to sleepless nights with our individually wrapped coil system. Each coil in this full size mattress moves independently to isolate movement before it spreads across the surface. When your partner tosses or gets up, you remain undisturbed, enjoying continuous deep sleep throughout the night. The reinforced edge support does more than prevent roll-off; it actually creates up to 30% more usable sleep surface
- Risk-free Trial & Extended Warranty We offer 100-night trial and reassure 10-year support. 12 inch full mattress arrives conveniently compressed in a box for easy setup. Simply unbox and unroll, watch as it expands before your eyes. Please allow 24 to 48 hours for the mattress to fully regain its shape before use. HAPPYMONT mattress fits most bed frames: box spring, flat bed frame, wooden bed frame, metal bed frame
Brand: HAPPYMONT
Size: Full
Product Dimensions: 75"L x 54"W x 12"Th
Item Weight: 68 Pounds
Item Firmness Description: Medium
Top Style: Euro Top
Fill Material: Memory Foam
Color: Gray&white
Model Name: SZ-H-TSA-12F
Construction Type: Hybrid
Item Firmness Description: Medium
Construction Type: Hybrid
Size: Full
Item Dimensions L x W x Thickness: 75"L x 54"W x 12"Th
Item Weight: 68 Pounds
Item Dimensions: 75 x 54 x 12 inches
Fill Material: Memory Foam
Material Type: Individual Pocket Springs, Memory Foam
top-style: Euro Top
Color: Gray&white
Style Name: 12 inch
Brand Name: HAPPYMONT
Model Name: SZ-H-TSA-12F
Product Benefits: Back Pain Relief, Improves Sleep, Pressure Relief, Reduces Toss & Turn, Stress Relief
Model Number: SZ-H-TSA-12F
Manufacturer: HAPPYMONT
Item Type Name: Bed Mattress Conventional
Included Components: Instruction Manual
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Apr 19
Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Style: 12 inch
Size: Queen
I’m extremely satisfied with this mattress—it truly exceeded my expectations! The packaging was very convenient, and it expanded quickly after unboxing. There was little to no odor, which was a huge plus. The comfort level is just perfect. It strikes a great balance between firmness and softness—not too hard, not too plush. The individual pocket springs provide excellent support and minimize motion transfer. Even when my partner moves at night, I barely feel anything, which has really improved my sleep quality. The memory foam layer contours nicely to my body, offering great support for my shoulders and lower back. I wake up feeling well-rested without any aches or stiffness, which is something I really appreciate. The overall build quality is impressive as well. The materials feel durable and high-end, and the mattress looks great on the bed. For the price, this is an incredible value. I would definitely recommend it to anyone looking for a comfortable and supportive mattress!
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Reviewed in the United States on March 24, 2026 by yongyi li
Style: 10 inch
Size: Queen
Just moved and got this mattress—been using it for about a week. It expanded quickly after unboxing and had very little odor. Comfort is medium-soft with good support. It feels comfortable on my back and doesn’t sink too much. No noise or major motion transfer when moving around. Overall, great value for the price. Simple, comfortable, and does the job well. Would recommend!
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Reviewed in the United States on April 8, 2026 by red
Style: 10 inch
Size: Queen
The media could not be loaded. This queen hybrid mattress is incredibly comfortable and supportive. The medium firmness feels just right, and the zoned support really helps relieve pressure. I sleep more soundly thanks to the excellent motion isolation, and the combination of memory foam and pocket springs feels high quality. It arrived conveniently in a box and expanded quickly. Great value for the price!
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Reviewed in the United States on April 9, 2026 by Susan
Style: 12 inch
Size: Queen
I’m really impressed with this queen mattress! The hybrid design perfectly balances comfort and support—the memory foam feels soft and pressure-relieving, while the pocket springs provide excellent stability. It’s medium firm, which works great for both back and side sleeping. Motion isolation is a big plus—I barely feel any movement from my partner. It also expanded quickly after unboxing and had minimal odor. Overall, it offers great value for the quality and comfort provided. Highly recommend!
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Reviewed in the United States on April 5, 2026 by Jowoo
Style: 12 inch
Size: Queen
Super comfortable mattress—firm but still soft enough to relax into. I’ve been sleeping much better since getting it, and it doesn’t transfer movement at all. Setup was easy and it expanded quickly. Honestly feels like a great value for the price. Would definitely recommend to anyone looking for a solid upgrade.
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Reviewed in the United States on March 30, 2026 by David
Style: 12 inch
Size: Queen
Got this a days ago and pretty happy with it. Sets up easy and looks clean on my frame. Came compressed in a box but took a full day to fully decompress, but it did reach the claimed 12 inches which was nice to confirm. Pillow top is comfy, not too soft not too firm.
Reviewed in the United States on March 24, 2026 by YSh
Style: 12 inch
Size: Full
I ordered a 12 inch and got a 10 inch and didn’t noticed until I had already opened it and it’s too heavy to take it back to return it
Reviewed in the United States on April 10, 2026 by Diana
Style: 12 inch
Size: Queen
Easy to set up. However, upon opening it I was upset but I waited. Glad I did. It hasn’t even been one hour yet and I want to jump back on it. No odor at all. Pretty durable mattress with nice thick material. Doesn’t sink or dip. Feels like a memory foam mattress with full support. Minimal motion transfer which I love.
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Reviewed in the United States on April 9, 2026 by Nicole