Gel and Copper Memory Foam LUXURY GEL + COPPER-INFUSED MEMORY FOAM: Sleep at the top of your class with our most advanced gel and copper mattress topper Twin 3 inch. Dual-infused memory foam delivers cooling, odor resistance, back pain relief, and ergonomic comfort making it one of the best rated mattress toppers for dorm beds. UPGRADED COOLTECH 2.0 WASHABLE COVER: Includes our ultra-breathable, CoolTech 2.0 cover cool to the touch, machine washable, and sweat-absorbent for lasting freshness. Features non-slip straps for a secure fit on any Twin college dorm mattress. COLLEGE DORM ROOM ESSENTIALS FOR GIRLS & GUYS: Sized 38" x 75" and designed to regulate temperature and relieve pressure across all sleep styles, this cooling mattress topper Twin 3 in keeps students cool, supported, and well-rested. A must-have in college dorm room essentials for girls and guys who want cooling, pressure-relief sleep.