Twin Mattress, 6 Inch Green Tea Cooling Gel Memory Foam
Original price was: $105.99.$99.99Current price is: $99.99.
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Product Overview
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The Twin Mattress by OUUI is a 6-inch medium firm memory foam mattress designed specifically for children, offering a comfortable and supportive sleep surface for twin beds, bunk beds, trundle beds, and day beds. Infused with green tea and cooling gel, this mattress helps regulate body temperature during sleep, making it ideal for growing kids who may overheat at night. Its low-profile design enhances safety by reducing the risk of rolling off the bed when used with bed rails. Certified by CertiPUR-US, the foam is free from harmful chemicals, giving parents peace of mind about what their child sleeps on. The mattress arrives in a convenient box, easy to unpack and set up, transforming any kid’s bedroom into a cozy and inviting space.
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Key Features
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- Green Tea & Cooling Gel Infusion: The memory foam is infused with green tea extract and cooling gel to help dissipate heat, keeping your child cool throughout the night and improving comfort during warmer seasons.
- Medium Firm Support: A balanced firmness level provides adequate support for growing bodies while maintaining pressure relief, helping promote proper spinal alignment and restful sleep.
- Low-Profile Design: At just 6 inches high, this mattress is perfect for bunk beds, trundle beds, or day beds, lowering the center of gravity and reducing the chance of falls from elevated beds.
- CertiPUR-US Certified Foam: All foam materials meet strict health and environmental standards, free from ozone depleters, PBDEs, phthalates, and formaldehyde, ensuring a safer sleeping environment.
- Fiberglass-Free Construction: The mattress includes a flame-retardant barrier made without fiberglass, prioritizing both fire safety and child safety during sleep.
- Removable Zipper Cover & Non-Slip Bottom: The zippered cover is removable for easy cleaning, while the non-slip base keeps the mattress securely in place on the bed frame.
- Boxed & Vacuum-Sealed Delivery: Arrives compressed and rolled in a box, expanding quickly upon unpacking for hassle-free setup.
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Technical Specifications
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- Size: Twin (39″ x 75″)
- Thickness: 6 inches
- Comfort Level: Medium Firm
- Top Layer: Green tea and cooling gel-infused memory foam
- Base Layer: High-grade support foam
- Cover: Removable, zippered, machine-washable
- Flame Retardant: Fiberglass-free barrier
- Certifications: CertiPUR-US certified
- Compatibility: Fits standard twin beds, bunk beds, trundle beds, and day beds
- Weight: Approximately 20–25 lbs (varies based on density)
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Benefits & Use Cases
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This mattress is engineered with children in mind, offering a safe, comfortable, and durable solution for everyday sleep needs. Its low profile makes it an excellent choice for bunk beds, where safety is a top priority. The medium firm feel supports natural spine curvature without being too stiff for light sleepers. The cooling technology helps prevent night sweats and keeps kids comfortable year-round, especially useful during summer months or in warmer climates. Parents will appreciate the non-slip bottom that prevents shifting during use and the removable cover that simplifies spot cleaning spills or accidents. The CertiPUR-US certification ensures that the foam has been tested for emissions, durability, and chemical content, aligning with strict safety standards. Whether outfitting a first big-kid bed, updating a bunk bed set, or adding a trundle unit for guests, this mattress delivers reliable performance and long-lasting comfort.
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Important Notes
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The mattress ships compressed in a box and must be unboxed and placed flat to allow full expansion—typically within 24–72 hours. Ensure adequate ventilation during expansion to prevent odor buildup. Do not attempt to re-fluff or compress the mattress once fully expanded. Always use a fitted sheet compatible with 6-inch mattresses. The flame retardant layer is effective but not intended as a primary fire barrier; avoid placing near open flames. For best results, allow the mattress to acclimate to room temperature before first use. This product is not suitable for infants under 12 months. Regular rotation is not required due to its single-sided design. Warranty and return policies should be reviewed prior to purchase.
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8 reviews for Twin Mattress, 6 Inch Green Tea Cooling Gel Memory Foam
Add a review
Original price was: $105.99.$99.99Current price is: $99.99.


B. Bobbitt –
Very comfortable, fits perfect for trundle pull out
Really impressed with the quality. Perfect firmness and my daughter sleeps well on it.
Spiritweeklover –
âMost comfortable mattress topper everâ
Wasnât quite what we were expecting. But was perfect addition to dorm room mattress. Fit very well on top of school mattress. He said it was more comfortable than bed at home
Debbie Ramirez –
Very comfortable
Fits perfectly as a trundle bed and is super comfy. Good quality
Chelsea –
Bunk bed use – kids sleep great!
We bought two of these to use for bunk beds and they are perfect for our kids. They sleep comfortably and without complaint ( 6&9 – 60-75lbs)
Anzhela Kovtoun –
All as described
It fit perfect in my daughters bed , she loves it . Recommended
Monica Huertas –
I feel it all!
Not a fan of this mattress. I gave it it’s allowed time to fluff up and it still did not rise to 6 in. I put this on top of a bunky board that is on top of a no box spring needed bed frame.. and I feel everything through this mattress. It’s great for my grandkids that are two and three years old cuz they don’t weigh anything. But for me.. I’m going to have to say no.
Chelcie –
Not what I expected.
Itâs semi-comfortable. A lot smaller than expected. Would recommend to use it as a mattress topper instead of a mattress.
Amazon Customer –
This review is for the Mommaâs like me, just trying to find a nice cheap bed for her littlesâ¦
Overall these mattresses get a 8/10 from me!Pros:-Fluffed up to about 3/4 itâs size in about 10 mins- Firm enough for a toddler bed- Using #GirlMath you can see itâs about the size of a pack of baby wipes after 45 mins of fluffing up.- The cover is completely zipper removable, and washer safe.Cons:- A little bit stinky, but about what I would expect for a new bed that was in an airtight bag.- A little wrinkled but nothing a quick wash and dry cycle canât fix