

King Mattress, GELBIY 12 inch King Size Medium Firm Memory Foam Mattress in a Box
Key item features
- Fiberglass Free: Our mattresses do not contain any fiberglass to ensure your safety and comfortable usage.
- Optimal Comfort: Supportive enough to evenly support your body and relieve pressure for a restful sleep.
- Shape Recovery: Recommended to allow 72 hours for the mattress to return to its original shape and dissipate any odors.
- Easy Maintenance: Removable mattress cover designed for easy cleaning and replacement to keep the mattress clean and sanitary.
- Customer Support: If you have any questions, please feel free to contact us, we are happy to help you solve it!
- Quality Sleep: Provides a full night of comfortable sleep with high-quality materials for a healthier and safer sleeping environment.
- Convenient Shipping: Mattress is compressed and shipped in a box for easier transportation and installation.
Specs
- Bed sizeKing
- Mattress comfort levelMedium
- Mattress typeMemory Foam Mattresses
- FeaturesMattress-in-a-Box, Removable Cover, Stain Resistant
- Mattress thickness12 in
- BrandGELBIY
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About this item
Product details
- Fiberglass Free: Our mattresses do not contain any fiberglass to ensure your safety and comfortable usage
- Comfort: our mattresses are supportive enough to support you evenly and relieve your pressure.
- Recommendation: It is recommended that your new mattress return to its original soft shape and dissipate odors within 72 hours.
- EASY TO CLEAN AND MAINTAIN: The removable mattress cover is designed for easy cleaning and replacement to keep the mattress clean and sanitary.
- Support:If you have any questions, please feel free to contact us, we are happy to help you solve it!
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Customer ratings & reviews
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Showing 1-3 of 146 reviews
Verified Purchase
I ordered a 10in thick mattress, it wasn’t a full 10inches but it’s a great bed, very comfortable, and for the price I paid for when it was on sale, it’s very good.(I paid about 180 for it)
Verified Purchase
Christmas Gift
I bought this mattress for my daughter as a Christmas gift. She loves it. She hasn't stopped talking about her great nights of sleep.
Verified Purchase
Wonderful Mattress, but the SMELL
Bought a Zinus mattress from Walmart years ago. For me personally, the mattress was too soft, held on to it until my daughter was out of my bed. Fast forward to horrible back pain. I decided it was time to get something new. I ordered this after reading the reviews. It was delivered super-fast. Once we unboxed the mattress it took longer than others to rise, and the smell was quite overwhelming. Every memory foam mattress has a smell to them, so I waited. I will say that the mattress sleeps wonderful. it is firm so I do not sink into it. It is soft enough as to form to my body shape, but still supportive. My back pain has gone away, and I feel more rested. The only negative I have to say about this mattress is the SMELL. After 2 months, I can still smell it. Not horribly bad but a hint every single time I walk into my bedroom. It is not the chemical smell that most memory foam mattresses have.








