[Extra 5 Inches of Legroom for Taller Sleepers] Full XL mattress (54" x 80") provides full extra long size comfort with 80 inch length, ideal for tall adults, teenagers in dorm rooms, guest bedrooms, or RV camping without needing a wider Queen bed [Perfect Fit for Narrow Spaces & Small Bedrooms] Same 54 inch width as standard full but extended length offers spacious sleep; great for apartments, college dorms, tiny homes, boat cabins, or tight guest rooms where Queen feels too wide [Motion Isolation & Edge Support for Couples/Guests] Individually wrapped springs minimize partner disturbance; reinforced edges prevent sagging when sitting; great for guest bedrooms, shared dorm rooms, small apartments where space and quiet matter [Premium Support & Pressure Relief in Full Extra Long] High-density foam/hybrid construction cradles body curves, relieves back/hip pressure; medium firm feel suits back, side & combination sleepers seeking full XL mattress in a box for easy setup [Cooling & Breathable Design for Hot Sleepers] Gel-infused memory foam + airflow channels keep you cool all night; perfect for summer nights, warm climates, or anyone who tosses and turns in a full XL extra long mattress [Easy Setup & Safe Materials] Mattress in a box arrives compressed for hassle-free unboxing/setup; CertiPUR-US certified, fiberglass-free, OEKO-TEX cover – durable, odor-free upgrade for tall person mattress, teenager bed, tiny home or replacing old full size with premium full XL 14 inch Full Mattress, 14 Inch Hybrid Full Size Mattress in a Box with Cooling Gel Memory Foam & Individually Pocket Springs, Medium Firm for Pressure Relief, Motion Isolation, Back Pain Relief – CertiPUR-US Certified, 120-Night Trial