[Perfect size] The throw pillow cover is 18x18 inch x4 pieces (45x45 cm x4 pieces), without pillow cover or cushion, very soft and comfortable. The invisible zipper at one side works stably and is easy to install and remove. It is recommended to use 20 * 20 inch pillows for filling, so the overall appearance is more fluffy and plump [High quality material] This pillow cover is made of top short pile fabric, which is very soft, 100% environmentally friendly, and will not pilling, shrinking and fading. These pillowcases will not wear out over time, nor will they show age [Perfect workmanship] Our pillow cover is "double-sided printing". Not one side. There are printed patterns on the front and back. The most advanced digital printing technology is used for printing, with bright colors and clear images. Both sides of the zipper are reinforced. [Extensive use and washing method] Our appearance adopts fashionable and elegant design. It is multifunctional and necessary for decoration. Suitable for various occasions: such as living room sofa, bedroom bed, study, office, hotel or gift giving. It is a perfect match for any environment. Washing method: machine washable, low temperature drying if necessary, no ironing, no bleaching Note: The package includes 4 pieces of pillow covers with different patterns, without pillow core.