Hot sleeper's 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. No-flat Design:Queen size pillows set of 2 weight 8.68 pounds and has a full amount of filling. Filled with high-quality slow rebound shredded memory foam and microfiber, accurate ratios to achieve the perfect balance between support and softness after several experiments (Experimental proof: mixed filler is more full and rebound faster than single shredded memory foam faster rebound) Ergonomic pillows improve sleep, suitable for all types of people, especially side and back sleepers. Brand Quality Pillow: Meoflaw has been deepening the pillow since 2018, its microfiber sleeping pillows harvest 100,000 + customers. These queensize pillows have taken several years to experiment with different material filling ratios and more than 10 times of proofing, and finally presented to you.Pillowcase adopts three-dimensional 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.