Shop Japan True Sleeper Premium Low-resilience mattress that distributes body pressure Shop Japan Single 5cm thick Distributes body pressure on the waist and shoulders while sleeping Unique material that gently wraps the entire body Easy to use, just lay it on your current futon or bed Foldable Mattress topper Shop Japan true sleeper Made in Japan Great as a gift [30-day trial service available]

【30-Day Trial Service】This product is eligible for a 30-day trial service.
The service allows for a full refund of the product price (excluding shipping, handling, and gift wrapping fees) if returned within 30 days of receiving the product.
This service is available only for products sold on JapanBestSellers.com.
Size: Width 970 x Length 1950 x Thickness 50mm
Weight: Approximately 4.6kg
【Main Body】 Made in Japan
【(Memory Foam Mattress) Special Inner Cover】 Made in China

The instruction manual includes both 5cm and 3.5cm references.
This product is confirmed to be the premium 5cm version.
Please be advised in advance.

【Unique Memory Foam Material “Ultra Viscoelastic” 100% Used】
Excelling in shock absorption and resilience, it changes shape due to body temperature and pressure, fitting the body perfectly like a custom-made product.
This unique material, used 100%, realizes a sleeping comfort that wraps the body, ideal for a good night’s sleep.

【Supports a Comfortable Sleeping Posture】
Fits like a custom-made product with “Ultra Viscoelastic.”
This memory foam material is excellent in elasticity and resilience.
It freely adapts to the body’s contours and gently envelops the entire body.
The exquisite comfort of being supported while soft becomes addictive once experienced.
It supports sleep tailored to each individual.

【Simply Place on Your Current Futon or Bed; No Need for Replacement】
By simply placing it on your current futon or bed mattress, you can achieve comfortable sleep.
There is no need to replace bedding, making it easy and simple to use.

【Distributes Body Pressure on Hips and Shoulders】
Regular mattresses concentrate body pressure on the hips and shoulders, compressing blood vessels and causing poor circulation, discomfort, or pain.
The premium sleeper distributes body pressure, gently enveloping the entire body.

【Keeps the Back Straight and Maintains a Comfortable Sleeping Posture】
A misaligned spine can strain the neck and waist.
The premium sleeper, using memory foam material, maintains an ideal, effortless sleeping posture.

【Available Sizes】 Semi-Double, Double, Queen

【Main Body】 Urethane Foam
【(Memory Foam Mattress) Special Inner Cover】 100% Polyester