M
User6496730
★★★★★
2026-11-06
The product arrived earlier than expected, neatly packed and in perfect shape. It performs well and feels reliable.
Factory Direct! Japan Sleeper Japanese Shape Memory Mattress Double
$109.56
$142.427996826172
30% OFF
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100% Authentic · Money-back guarantee
Free Express Shipping · 2-5 day delivery
30-Day Free Returns
6-Month Quality Warranty
Product Details
Description
Specifications
Care Guide
【Sleep Better with a 5cm Thicker Mattress!? Newly Developed Memory Foam Mattress - Japan Sleeper】
● The Japan Sleeper is a mattress developed by a specialized domestic manufacturer, featuring memory foam. Experience its unique, enveloping comfort.
● Fits your body and conforms slowly!
… Regular mattresses concentrate body pressure on a single point, leading to stiffness and pain. The Japan Sleeper evenly distributes body pressure, reducing strain.
● Easy to use. Simply place it on top of your current futon, bed, or mattress. It's incredibly simple and economical.
● Comes with a soft-touch cover that can be removed and washed, ensuring cleanliness.
【Product Details】
＜Size＞
● Single: (Approx.) Width 97 x Length 195 x Thickness 5cm / Weight: 5.3kg
● Semi-Double: (Approx.) Width 120 x Length 195 x Thickness 5cm / Weight: 6.6kg
● Double: (Approx.) Width 140 x Length 195 x Thickness 5cm / Weight: 8.7kg
● Material /
Outer Fabric: 100% Polyester
Core Material: Urethane Foam
Category
Mattresses
Condition
New/unused
Shipping
Included in price (by seller)
From
Tokyo
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.