Features:100% grade A cotton fabric,and cotton blend premium quality Cotton Linen,One side Pattern. No odor, no formaldehyde, anti allergy pillow, high safety.In addition, this pillow cases is not easy to absorb dust or parasitic mites, which can bring you a comfortable living environment without causing health problems.18x18Inch /45 x45cm.Perfect for 50 x 50 cushion innersSpecifications:Shape: SquareTechnics: WovenClosure: Hidden ZipperPattern: One side PaintingCover Size: 45 X 45cm/18 X 18 InchCover Material: Cotton and linen blendInsert Material: PP CottonPackage included:1 x Geometric linen pillow CoverNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Due to different personal measuring techniques, there might be 1-3cm error of the physical. Thank you!