Hot sleepers' gospel: Bed pillows has a double-sided design with cooling fiber on one side and the other is 60% polyester+40% rayon. lining is a lightweight 100 GSM polyester fabric, allowing free air circulation. Fill with evenly cut memory foam, which effectively reduces heat build-up. Cooling pillows for sleeping provides a more comfortable sleeping experience for hot sleepers and works better in air-conditioned rooms. Fuller Design：The 2-inch gusseted edges increase the internal height of the pillow, requiring more filling than a normal pillow to achieve the ideal fullness, ideal for side sleepers and for use as support. king pillows 2 pack filled with high-quality slow rebound shredded memory foam mixed with microfiber, accurate ratios to achieve the perfect balance between support and softness after several experiments . Brand Quality Pillow: Meoflaw has been deepening the pillows since 2018, its microfiber sleeping pillows harvest 100,000 + customers. These king size pillows are upgraded from the regular shredded memory foam pillows to be fuller and firmer.Pillowcase adopts 3D-design,fashion,simple and beautiful. Double zipper design to achieve adjustable function, by adding or reducing the filling to find the height that fits you. Sealed Packaging:Vacuum compression packaging to reduce transport costs, quality shredded memory foam springs back to its original size in 3-5 minutes (slightly slower in cold temperatures).Sealing process to avoid moisture problems in the storage process. Simple Options:Bed pillows & positioners are designed for easy maintenance, the pillowcase can be machine washed after disassembly, filling can be easily obtained by patting the fluffiness, which is the choice for long-term use.