Size-38*80 cm/14.9 X 31.5 inches. It weighs about 550 grams. The set includes a seat cushion and a back cushion. Material-The seat cushion is filled with polyester and fluffy PP cotton, comfortable and breathable, anti-extrusion, and durable. New and unique humanized design, comfortable and safe to touch. Designed to perfectly fit your body contours for maximum comfort and support. HIP BACK SCIATICA RELIEF PAIN: Suitable for all kinds of places and people. This super soft chair cushion provides excellent back support and relieves the common symptoms caused by the weight on the lower part of the tailbone. It relieves this pressure and helps relieve sciatica, back pain, hemorrhoids, etc. Features-Different seat cushions are available for you to choose. The solid-color seat cushion has good resilience characteristics and is very suitable for sedentary people. High-quality, healthy and super-soft material, suitable for reading or Internet lovers sitting in a seat, enjoying a comfortable and free leisure time. Occasion-Comfortable cushions are available in a variety of colors to match your room decoration correctly. Great office chair cushion, rocking chair cushion, patio chair cushion, dining chair cushion, lawn chair cushion, camping chair cushion, kitchen chair cushion or any other chair or bench