10x COOLING TECHNOLOGY- This product tests 10x cooler PRESSURE ACTIVATED COOLING IN AS LITTLE AS 8 SECONDS- Experience pressure activated cooling in approximately 8 seconds as the Technology pulls heat away from the sleeping surface and stores it away from your body REACH THEN MAINTAIN COOLING COMFORT- The cooling system featured in this pillow helps your skin temperature reach and maintain the optimal range for sleep through a combination of active cooling and highly breathable materials SELF-RECHARGING COOLING SYSTEM- The technology in this product is self-recharging during non-use to be ready for the next night's sleep The contour shape of this pillow is ideal to offer support for side sleepers to promote spinal alignment for a more comfortable night's rest The memory foam in this pillow provides a medium firm feel Dimensions: This knee pillow measures 10" L x 8" W x 6" H Cover Content: 100% Polyester Fill Content: 100% Memory Foam Machine washable cover