Size and Package: The size of the outdoor chair cushions is 17 X 16 X 2 inches and fits most standard size chairs. As the cushions are vacuum packed, you can press and tap them for a while after unpacking and they will restore fluffy within 24-48 hours | Premium Fabric: Outdoor cushions are made of polyester fabric which is water, stain and UV resistant. The fabric can withstand daily wear and tear, but it is recommended to bring them indoors when raining to preserve lifespan and maintain appearance | High-Density Foam: The patio furniture cushions are filled with 2 inches thick foam that is soft and supportive, providing effective cushioning and reducing pain in the lower back, tailbone and hips by evenly distributing body weight | Two Adjustable Straps: There are two adjustable straps on each side of the cushions to keep them securely fastened to your outdoor chairs and prevent them from sliding easily. The exquisite strap design can provide you with convenience and practicality | Easy to Clean: The patio cushions are easy to clean, just spot clean with a damp cloth and hang to sun dry. It will have a better fluffiness and resilience after sun exposure. The cushions are ideal for garden, patio, balcony or other outdoor scenes