9.61 x 9.33 x 1.57 inches

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💖Size: 18 x 18 inches square pillow covers shell for 18×18 inches inserts, the package includes 4 pcs （NO ANY FILLER OR INSERT）.we measure it by hand, there may be an error of 1-2cm.
💖Material: Made of quality breathable linen, soft and skin-friendly, and an Invisible zipper design makes the whole pillow cover more fashionable and beautiful.