[Cooling Technology]Using polyethylene cooling fabric as the core layer, quickly dissipate heat around the ears and absorb sweat, keeping it cool and dry. Reduce the risk of ear infections, relieve ear pain, polyester fiber fabric [Machine washable design]No need to remove the filling, just put it into the washing machine to keep it fresh and hygienic. and long-lasting. Let you enjoy fresh and comfortable sleep every night [Perfect Size]The size of the ear pillow is 9 inches, with a circular hole in the middle measuring 3.15 inches. Perfect for your ears, allowing you to sleep without the pain of pressure and friction, Compact and , easy to carry [Adjustable Comfort]The side zipper can adjust the filling height, making it easy to personalize your tightness. Curved lines can support your head and shoulders, effectively reducing neck fatigue [Ideal for Ear Care & Comfort]Perfect for side sleepers, those with fresh ear piercings, post-ear surgery recovery, ear pain or inflammation, and users wearing earrings, earplugs, or hearing aids. Its design can effectively relieve ear pain