【Tailored Support 】- The support layer of TEQSLI double hybrid mattress features 650 pocket springs. The 7-zone individually pocket sprung mattress brings optimal support to your body, including your spine for a cushy feel. Innovative wave memory foam conforms well to your body curves. A perfect choice for most sleepers. 【 Undisturbed Sleep 】- 10 inch pocketed innerspring mattress has built-in coils that bounce back independently. This, coupled with innovative wave memory foam which is helpful in reducing disturbance and noise made by tossing and turning over, ensures you an unaffected sleep. And the reinforced edge support of the spring mattress keeps you from rolling off the 135 x 190 cm mattress. [ Stay Cool All Night 】- Often wake up sweaty?All materials used for this pocket sprung mattress are beneficial to your sleep as they effectively sooth and relax you all over. 3D-meshed sides of this 25cm double mattress improve airflow and prevent overheating. The gel memory-foam layers create a cool feeling for a comfortable sleep. Buy with Confidence 】- TEQSLI strict tests are conducted before its products hit shelves. The foam used in this 4ft6 double mattress is certified by CertiPUR-US, and the fabric is certified by OEKO-TEX 100, saving you concerns about material safety. 【 Purchase with Confidence】- We know sleep preferences vary from person to person. Considering it takes one 3-4 weeks to adapt to a new mattress normally, a 100-Night Trial and a10-Year Commitment is available to customers. If it is really not suitable for you, please let us know and we will do our best to solve this issue. 【 Mattress in a Box 】- The TEQSLI mattress will be vacuum-compressed in a small box for easy transportation and delivery. Restore in 10 seconds after unpacking. It’s recommended to leave 24-72 hours for it to fully expand after unwrapping the box. （When space is limited, you can wait 3 hours and place the mattress against the wall to save space.）