Sleep.E Memory foam pillow inner,super-elastic lining,breathable pillowcase,lumbar pillow,high-grade polyurethane memory foam ,waist depends,cushions MO2059 plastic Size: 16.1*13.8*4.3inches, Wight:2.0pounds Ergonomic design: with good support to the lumbar spine Pillowcase: 85% polyester, 15% acrylic, skin-friendly, breathable, soft and comfortable; maintain the freshness of the skin Lining: antibacterial and anti-mite Pillow slow rebound: the imported polyether polyurethane raw materials and the advanced molding technology, will not deform permanently