SLEEP HEALTHY - Clean Sleep Night After Night - Cosmo features a removable, washable cover that makes cleaning your pillow easier than ever. The cover is hypoallergenic and antimicrobial, ensuring a clean and healthy sleep each night., DUAL-SIDED COMFORT - Comfort for Every Mood - Cosmo comes with dual-sided comfort - one side firmer, one side softer. Switch up the comfort level of your pillow simply by flipping it over, ensuring you sleep comfortably every night. Size 0.0 is not dual sided and features React blend fill throughout., OPTIMAL AIRFLOW - A Pillow Optimized for Maximum Breathability - Mesh Panels and Air Vents combined with breathable fabric creates cross-ventilation for maximum breathability so that your body can regulate its ideal temperature., FIND YOUR PILLOW ID - Four Height Options, One Perfect Fit - Cosmo is available in four sizes (or heights) to cater to stomach, back, and side sleepers. Sizes/Heights: Low (Size 0.0/4.80 ), Low-Medium (Size 1.0/5.50"H), Medium-High (Size 2.0/5.80"H), and High (Size 3.0/6.50"H), SLEEP COOL ALL NIGHT - The Cool Side of The Pillow - Every Time - Our cooling fabric cover disperses heat away from the body to create a unique cool to the touch effect, while breathable mesh side panels provide continuous airflow and reduces sweat and heat buildup throughout the night.