Breathable Cover: Our pillows 4 packs set are made from breathable & skin-friendly microfiber fabric that provides smooth soft surface and cloud-like feeling comfort, the piping design around the pillow edge gives a neatly tailored look. they are vacuum packed in transit. Premiun Filling: Down alternative hollow fiber fill inside our bed pillows, soft, fluffy, strong support and strong resilience. The fiber is in a 3D helical curl structure, with stable support. The surface of each fiber is lubricated with silicone oil, which is 40% softer than ordinary fibers and not easy to agglomerate. There are many tiny pores in the fiber, which can quickly absorb sweat, thus to prevent moisture effectively . Fluffy yet Supportive: Our bed pillows for sleeping achieves perfect balance between soft and supportive, providing gentle support and adequate comfort for your head, neck and shoulders. All Sleeping Positions Suitable: Whether you're side sleepers, stomach sleepers or back sleepers, our bed sleeping pillows can accommodate! The plush bounce-back design will shape to your favorite position. Machine Washable, Easy Care: These ergonomic pillows are machine washable with tumble dry low for easy care. All product materials are carefully selected, strictly inspected and well made. Size dimensions: size king: 48*86cm(18*33in), size queen: 45*70cm(17*27in), size standard: 43*66cm(16*25in). Flanhorest Bed Pillows for Sleeping - Pillows Standard Size Set of 4 Cooling Luxury Hotel Quality Pillow with Premium Plush Soft Down Alternative Fill for Side Back or Stomach Sleepers