【New, Unopened】Nishikawa Essential Wave Mattress, Single, Boost Immunity with Sound Sleep

Thank you for looking.
This is an unopened item purchased from Japanet Takata, an authorized retailer, on April 29, Reiwa 8 (2026) for 22,880 yen.
It will be shipped unopened.

1. Showa Nishikawa special wavy cut makes it easy to turn over in your sleep*1!

Developed by Showa Nishikawa, which has been developing and selling uneven mattresses for over 50 years, based on human measurement data of 34,000 people nationwide (according to the Human Life Engineering Research Center)!

The special wavy cut with grooves lined up across the entire surface makes it easy to roll sideways and turn over. It is approximately 8cm thick, providing a firm and comfortable sleep.

Showa Nishikawa special wavy cut makes it easy to turn over in your sleep!
2. Distributes body pressure to support your body firmly for comfort!

The width and depth of the cuts are varied according to the body part to distribute body pressure!
Furthermore, only the waist area uses a square cut, providing firm support for your lower back.

Distributes body pressure to support your body firmly for comfort!
3. Always clean & can be rolled up for storage

The outer fabric (cover) can be washed in a washing machine, so you can always stay clean and comfortable.

It can be rolled up compactly for storage.