Material and Size: Made from rubber, the pillow case is available in blue color and measures 74×48cm/29×19In with a packing size of 45×30×1cm/17.7×11.8×0.4In, weighing 300g/0.66lb both net and gross. Versatile Sleeping Support: Designed to accommodate various sleeping positions, the pillow features an irregular bilateral high and low design that supports natural posture, reduces pressure, and minimizes the risk of neck stiffness for side, back, and stomach sleepers. Advanced Technology Pillowcase: The pillowcase utilizes ultra-thin technology fabric that enhances the cooling effect of the gel, allowing the coolness to be effectively transferred to the user's body, providing a cooler sleep experience throughout the night. Comprehensive Gel Coverage: The pillow offers a 360° all-round gel coverage with a gel thickness of 0.6CM, resembling dark blue gemstones, ensuring cooling effects not just on the front but also on the sides for shoulder comfort. Easy Care and Maintenance: The pillow case comes with an easy-zip stretch-knit cover that is removable, machine washable, and dryable, making it simple to maintain and conserve the pillow's freshness and cleanliness. Enhance your sleep experience with our Pillow Cases, designed to provide ultimate comfort and support. These gel pillow cases feature an adjustable design that allows you to personalize the thickness and density of your sleeping surface, ensuring a customized fit for each individual's needs.Crafted from breathable materials, these size pillows offer excellent airflow, keeping you cool and comfortable throughout the night. The conforms to the shape of your head and neck, providing optimal alignment and reducing pressure points that can cause discomfort or disrupt your sleep.The washable and removable nature of these pillow cases makes maintenance a breeze, allowing you to easily keep your sleeping environment fresh and hygienic. The gel infused in the helps regulate temperature, further enhancing the overall sleep experience by preventing overheating.Invest in our Adjustable Sleeping Pillow Cases and enjoy the benefits of a restful and rejuvenating sleep night after night. Whether you're a back sleeper, side sleeper, or stomach sleeper, these versatile pillow cases adapt to your unique sleeping position, offering unparalleled comfort and support. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store