SleepJoy ViscoFresh Memory Foam Ventilated Pillow, Standard 100% Polyester Imported Ventilating air channels throughout the pillow provide 5x more air circulation to keep you more comfortable Hypoallergenic formula uses plant-based ingredients Made with luxurious 100-percent polyester nano-tex coolest comfort fabric that breathes and wicks away moisture to keep you comfortable Zippered outer cover encases and protects your pillow; Inner cover protects pillow for long life 100% Polyurethane Ventilating air channels throughout the pillow provide 5x more air circulation to keep you more comfortable Hypoallergenic and anti-microbial, formula uses plant-based ingredients Made with luxurious 100-percent polyester nano-tex coolest comfort fabric that breathes and wicks away moisture to keep you comfortable Zippered outer cover encases and protects your pillow; Inner cover protects pillow for long life 100% Polyurethane