Outdoor and Waterproof Material: Made of polyester,can effectively prevent water and blot from splashing. The material of dust proof is available for outdoor applications in the garden,yard,near the swimming pool Hidden Zipper: The outdoor throw pillow covers feature invisible zipper closure, very easy for insertions and replacements and meanwhile keeps an elegant look Outdoor and Indoor Decorations: Pillow covers for both indoor and outdoor, nice decorations for outdoor garden, patio, tent, balcony, barbecue, etc.; The pillow covers are also suitable for indoors for bed, sofa Easy Care: Our pillow covers are safe for wash machine, cold water, gentle cycle. More plus,the outdoor pillow covers are specially designed and manufactured with fade resistance,Color may be different in different light or on different screen Package includes: Each pillow cover measures 18x18 inch,45x45 cm. Package contains 4 pieces of throw pillow cases. INSERTS ARE NOT INCLUDED; In order to present the best shape, a bigger size pillow insert is recommended Warm Tips: To avoid possible color fading, please do not place the outdoor pillow covers in direct sunlight