321 Folding Mattress, Tri-fold, High Resilience, Firm, 10cm Thick, Single

No. 2380-793170

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☆New and unused
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◆Manufacturer: Y.K.YUKO

◆Size: Single (195 x 97 x 10 cm)

◆Weight: Approx. 8kg

◆Color: Gray

◆Comfort Layer Material: Polyfoam

[36D Density]
Using genuine 36D urethane, it is expected to have a lifespan of over 8 years under appropriate conditions. TIP: 0.18915m3 × 36kg/m3 ≒ Theoretical 6.81kg -- For the same size, over approximately 6.8kg is the standard. This product's foam weighs over 7kg (approx. 8kg including the cover). Products labeled 36D with a total weight of 4-5kg are theoretically equivalent to approximately 21-26D, which is too light to be called 36D.

[Firmness of 220N provides comfort]
220N, which is neither too soft nor too hard, prevents the body from sinking and maintains the spine's S-curve.
① Suppresses sinking of the lower back and maintains the proper height of the pelvis to lower back.
② Supports the body with a surface, dispersing pressure (reduces localized pressure on protruding areas like shoulders and hips).
③ Moderate resilience supports turning over, making it less likely to interfere with blood flow and body temperature regulation.
④ Synergistic effect with high-density 36D reduces the feeling of bottoming out and provides stable support.
⑤ Reduces concentrated load on the same area, alleviating stiffness upon waking.
*Experience may vary depending on body type, preference, and combination with the base.

[Abrasion Resistance]
Resistant to friction from turning over and getting in and out of bed, it suppresses pilling and fabric stretching while maintaining elasticity. The three-dimensional knit keeps the surface comfortable and flat even under sheets. The spacer creates an air layer that releases heat and moisture, reducing stuffiness and keeping you comfortable and dry even in sweaty seasons.
The cover can be removed with a zipper for washing.

[Non-slip, Moisture-proof, Waterproof Bottom]
The reverse side is made of high-density Oxford waterproof fabric (Polyester Ox / PU, TPU coating) with silicone non-slip dots. It is less likely to slip on flooring, tatami, or carpets, and blocks moisture and cold air rising from the floor, reducing the risk of condensation and mold.

*As this is a personal listing, manufacturer's warranty and bonus gifts are not included.
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