Made in Japan 350 Newton! Ultra-hard balanced urethane mattress with no sinking, tri-fold type, single size


[Amazing hardness! 350N]
Compared to the manufacturer's regular product: Approximately 3 times harder!

Uses ultra-hard urethane: Uses "ultra-hard" urethane that won't sink even when a ball weighing about 10 kg is placed on it!
Recommended for those who are not satisfied with normal hardness!

Load capacity is 100kg
Even large people will not find their body sinking into the mattress, providing a firm sleeping experience!
This mattress is for people who have a sturdy build and have given up on sleeping on their current mattresses, or who are looking for a mattress that is firmer than their current mattresses.

Please read the "Notes on Orders and Cancellations" before placing your order.