POSMOND Twin Mattress, 8 inch Cooling Gel Memory Foam & Pocket Spring Hybrid Mattress, Bed in a Box, Medium Firm, CertiPUR-US Certified

【8 Inch Mattress in a Box – Twin Size】This 8 inch twin mattress arrives compressed in a box for fast, easy setup. Simply unbox and watch it expand to full size within 48-72 hours. No box spring required, compatible with most bed frames and platforms

【Hybrid Innerspring Mattress – Medium Firm】Designed with individually wrapped pocket coils and comfort foam, delivering a memory foam–like feel with balanced medium firm support—ideal for side and back sleepers

【Twin Mattress for Comfortable Support】Designed to cradle and support the body, this twin hybrid mattress helps to relieve pressure on the back and hips without excessive sinking. The hybrid coil combined with a unique wavy cotton layer promotes airflow and heat dissipation, helping the mattress sleep cooler than all-foam or traditional memory foam mattresses

【Motion Isolation & Quiet Hybrid Design】Individually wrapped coils reduce motion transfer and spring noise. Enjoy undisturbed sleep—even when your partner moves—making it a great choice for shared beds

【Great Value Mattress for Everyday Use】A budget-friendly twin hybrid mattress that offers comfort, support, and quality at an affordable price—perfect for master bedrooms, guest bedrooms, apartments, or everyday sleeping

【Certified Safe Materials】These materials are crafted from high-quality, CertiPUR-US certified foam and wrapped in an OEKO-TEX certified mattress cover to ensure they are safe for your health and skin. It also features SGS-certified fireproof cotton for maximum safety and a healthier sleep environment