【Dual Height Design】 Choose between 12” or 14” thickness to customize comfort for back, side, or stomach sleepers, perfect for adjustable bed frames.The medium firm queen mattress is designed to provide unparalleled support for individuals of all sizes, thanks to its unique combination of high-density memory foam and robust pocket springs. 【Advanced Support】1000+ individually wrapped coils reduce motion transfer, paired with 3-layer gel memory foam for pressure relief and cooling airflow. 【Full Size Fit】Precisely crafted for 74.8x38.9/74.8x53.9/79.9x60.2/79.9x75.9 inch (standard Full/Double size), seamlessly pairs with most bed sheets and protectors. 【Certified Safe】The mattress also has a breathable mesh on the side to dissipate heat and regulate body temperature effectively, ensuring a cool and comfortable sleep all night long. Enjoy a breathable and refreshing sleep experience every night free from harmful chemicals, ensuring safe sleep for families. 【Thoughtful After-Sales Service】Our commitment to quality ensures that your queen mattress will provide restful sleep for years to come. For best results, we recommend allowing the mattress to fully expand for 48-72 hours after unboxing before use. Why Choose Our Full Size Mattress? Experience the ultimate hybrid sleep solution! Our mattress combines independently wrapped coils for targeted support and gel-infused memory foam to dissipate heat, ensuring cool comfort all night. Key Features: Dual Height Flexibility: Customize your sleep surface with 12” (medium-firm) or 14” (plush-firm) options—ideal for couples or solo sleepers needing spinal alignment. Motion Isolation: Perfect for restless partners; coils absorb movement, while foam layers adapt to your body shape. Breathable Design: Tencel cover and open-cell foam enhance airflow, preventing overheating. Technical Specifications: Dimensions: Twin:74.8"Lx38.9"Wx12"/14"H Full:74.8"Lx53.9"Wx12"/14"H Queen:79.9"Lx60.2"Wx12"/14"H King:79.9"Lx75.9"Wx12"/14"H (fits standard Full/Double beds) Layers: Quilted cooling cover, 2" gel memory foam, 2" adaptive transition foam, 8" reinforced coil system. Perfect For: Guest rooms, dormitories, or compact apartments needing space-saving comfort. Eco-conscious buyers prioritizing non-toxic materials. Heavy individuals seeking durable edge support