ATTENTION: Please keep enough distance from the mattress as it may smack people when unpacking.✔✔【Pressure Relief & Motion Isolation】- Designed with the hybrid construction of individual pocket springs and CertiPUR-US certified foam, the Inofia 10 inch twin xl mattress offers sleepers right comfort and support. It supports body weight individually to a greater degree, reduces the risk of pressure point build-up, and reduces the feeling of rolling into your partner. ✔【Cool Mattress to Sleep On】- Inofia innovative memory foam mattress has advantage over traditional mattresses, avoid sinking in or sleeping hot. The top cover is skin friendly and soft touch, helps to regulate body temperature. Side net cloth around the comfort foam helps to dissipate heat. Pocket springs underneath enhances airflow. ✔【CertiPUR-US Certified Foam Mattress】- Inofia hybrid twin xl bed mattress is healthy to sleep on, all foam inside are certiPUR-US certified, made without any harmful substance like ozone depletes, PBDEs, TDCPP or TCEP (“Tris”) flame retardants, mercury, lead, and other heavy metals.