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2026-11-07
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nishikawa [Air SI] High-Performance Mattress that Supports at Points, Semi-Double
$299.00
$388.7
30% OFF
Flash Sale ends in
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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
Nishikawa [Air SI] High-Performance Mattress that Supports with Points, Semi-Double Size. Special 3D Cross-Slit Structure for Pressure Dispersion, Comfortable Sleep Environment, Natural and Comfortable Feel, Supports Smooth Turning. Super Hard Foam Firmly Supports the Body for Stable Sleeping Posture. Breathable, Suitable for Side and Back Sleepers, 9cm Thickness, Made in Japan, Blue/Hard HC13451612800
Management Number: 05122501RHU
◎ Condition
Used only 1-2 times, but in beautiful condition.
Size: 120X195X9cm
Outer Fabric: 100% Polyester (Antibacterial Processing, Recycled Polyester) Lining: 65% Polyester, 35% Cotton Filling: Urethane Foam
Country of Origin: Japan
◎ About Transactions
Immediate purchase is possible!
Urgent shipping and date/time specification are not accepted as they can lead to trouble.
Shipping will generally be via Yu-Pack or Yu-Packet Post depending on the size.
Although the shipping method is undecided, if you wish for anonymous shipping, it will be shipped on the weekend.
For those living in distant regions such as Hokkaido and Okinawa, shipping will be via Yu-Yu Mercari便.
*In that case, shipping will be on the weekend regardless of the estimated shipping days, so please understand.
Product condition is based on personal opinion. As this item has been in someone's possession, please refrain from purchasing if you are concerned about minor details or do not understand used items.
Accessories are limited to those shown in the photos. Please check the condition carefully and only purchase if you agree.
Category
Mattresses
Condition
Almost new
Shipping
Included in price (by seller)
From
Shizuoka
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.