Inofia – Where your dreamy comfort starts from. Main features of 12 Inch Hybrid Innerspring● Breathable Soft Knitted Fabric Cover – The top cover is made of dual-layered super breathable soft knitted fabrics, help absorb moisture and regulate temperature. ● CertiPUR-Certified Foam – Made without any harmful substance like ozone depletes, PBDEs, TDCPP or TCEP (“Tris”) flame retardants, mercury, lead, and other heavy metals. ● 7 Zoned Individual Encased Coils – The individual encased coils work independently, contouring zones at the head, shoulders, knees and feet create the perfect symmetry to cradle your entire body in comfort. ● Non-slip bottom – The solid-quality cotton blanket and strong non-slip bottom polyester fabric cover ensure the ultimate support of the whole mattress. How to unpack Inofia mattress: 1. Carry the box to the target place which is large enough 2. Pull out the mattress from the box 3. Stand on the short side of the rolled mattress, and carefully cut the plastic layers with the attached opener, be caution not to cut the foam of the mattress 4. It will expand immediately, please allow up to 72 hours for the mattress to fully expand How to protect the mattress: Rotate the mattress regularly to keep the mattress in good condition. Wipe clean with a moist cloth. Keep good ventilation. DO NOT jump on the mattress. Recommend to use mattress protector.● Breathable Mattress to Sleep On–The cool cover is made of dual-layered soft knitted fabrics which is super breathable, it can help release moisture and regulate sleeping climate. Airy mesh on side promotes heat dissipation and independently encased coils beneath enhances airflow, which makes the sleeping environment cool and comfortable.You can get rid of HOT on this bed mattress. ● Stronger Edge Support– This twin size mattress has certain advantages over traditional innerspring mattress, such as better motion isolation, less noise, and longer lifespans on average. The edge support of this mattress has been strengthened, sleepers will not roll off or be ejected from the mattress. ● Cool Bed in a box—Inofia mattress twin is shipped rolled, compressed, vacuum-sealed in an easy-to-handle box. Twin mattress dimensions: 75”L x 39”W x 12”H. Shipping Dimensions: 44.1”L x 11.8”W x 11.8”H(There might be some inflation during shipping). It fits all frames, box springs, wood foundation, etc. even on the floor directly. ● Warranty & Guaranty—Sleeping preferences vary from person to person, and it takes time to decide if a new mattress is right for you, so each Inofia mattress comes with a 100 hassle-free Night Sleep Trial. Besides, our warranty covers all manufacturing defects: sagging, dips, waves, bumps, and decompression issues. Any question is welcome! ！Warning: Be cautious and keep enough distance when opening the mattress from the plastic, as it may smack people. ● Body Conforming & Pressure Reliving–The 7 zoned individual encased coils are positioned at the core of the mattress. On top, multi-layers of CertiPUR-US certified comfort foam are laid in place. This hybrid mattress has a certain amount of spring while also conforming to the body for targeted pressure relief, offering a balanced sleep experience for many individuals.