Z Shredded Gel Infused Memory Foam Pillow - Queen Proprietary GEL DOUGH formula combines pressure-relieving memory foam and heat-capturing gel beads to create a supportive sleep surface that doesn't overheat Clusters of shredded GEL DOUGH memory foam are moldable for personalized comfort and increased breathability Memory foam is encased in a GEL DOUGH sleeve to maintain a consistent feel Tencel removable cover with superior moisture-management properties aids in optimal sleeping temperatures Queen size, medium firm feel - great for back and side sleepers - 16" x 29" with 6"-7" loft - 3 year U.S. warranty