Environmental Performance:
Consist high volume of 77% high-carbon steel provides extra product life cycle. Each spring can withstand a pull force of 190 kg/cm2. The product's volatile formaldehyde concentration is only 0.01mg/m3 with TVoC 0.005mg/m3.
Product Performance:
The veterbra is the most important part supporting the human's entire body. Frei Green Spring Mattress is the best place offering of rest for your vertebra. The two main layers of Frei Green Spring Mattress are:
1. The middle section: With the springs made from high-carbon steel of the springs plus the ""Steel Net"", it maintains the shape of your vertebra; in order to and therefore relax and recover your exhausting body.
2. The upper and lower sections: The green latex forms acts as a cushion buffer to support take the body weight. It relaxes every inch of our muscle and joints.
