Extra Relax Mattress has an independent spring box with Antinoise medium-stiff springs 220-240 mm high, while also being pocketed individually in 180mm tall covers and a non-woven “Spanbond Protect” fabric from both sides. Such spring-box ensures an equal weight-support/resistance in every point of the mattress surface. From the one side of a spring box, there is a high-quality 24 mm PU foam. The other side of a spring box benefits from the high-elasticity PU foam 13mm tall and 3-4 mm wide Lekan layer 600g/m2. A Unique PU foam cutting methodology creates a “massage effect” also known as orthopaedic. PU foam used in this product is registered with CertiPUR certificate, which suggests products safety and environmental friendliness. Being double-sided a mattress benefits from medium stiffness on both sides. Its overall height is 24cm with the maximum everyday load of 160 kg. Extra Strong Mattress cover is made out of a washable, antiallergic fabric, double-sided and comes on a zip. The textile used is polyester 100gr/m2, non-woven “Snapbond” fabric (stitched on a quilting machine) with great air-circulation Bamboo/aloe vera. The coconut fibre layer BREEZE has got heightened thermal conductivity, which will make it comfortable to relax during the hottest days of summer. Extra Strong Mattress cover makes sure your sleeping space is smooth, and bed-linen (together with a cover) does not slip away during the night. The cover makes mattress look special while also ensures its longer life-span. Woven Aloe Vera/Bamboo fabric is soft and smooth to the touch. The cover is wear-resistant and air-ventilating while also antiallergic and antistatic. Extra Strong Mattress and its cover are antistatic and sanitarily/hygienically approved. Anatomical, double-sided mattress will surprise you with its comfort and quality. This product is made according to the standards and norms of safety declaration and comes in any size needed. Elaborated in RB laboratories this product was tested on spring’s durability characteristics. Our mattresses passed a test of rolling through 30 000 cycles in a specially designed drum with a 180kg work-load. We believe that this is proof of our product’s long-lasting performance and durability. You can also test it for the first 100 days to see whether its stiffness is right for you. The cover makes mattress look special while also ensures its longer life-span. Woven Aloe Vera/Bamboo fabric is soft and smooth to the touch. The cover is wear-resistant and air-ventilating while also antiallergic and antistatic. This product’s distinctive qualities manifest in tall, various-stiffness springs and innovative textile used for its covering. Extra Relax mattress will be loved by those who like or need to change the stiffness of one’s sleeping space according to one’s anatomical, physical needs or even climate conditions.