Size Selection - Set includes 1 seat cushion measuring 24” W x 24” D x 4” T and 1 back cushion measuring 24” W x 20” H. ( The size description is only for the cushion size, accurately measuring the dimensions of your furniture's seating area in advance, make sure the cushion size fits your furniture ). | 3-Year Fade Resistance Fabric: Our Favoyard outdoor chair cushions is made of solution-dyed fabric. This kind of fabric usually used with outdoor circumstance because of it’s color fastness. With the help of the fabric our patio furniture cushion could last 3 years color fastness. And we are confident our cushions could withstand at least 1500h intense midday sunlight. | Double-Waterproof Tech Cushion Cover: Favoyard outdoor cushions for patio furniture choose 300GSM high density polyester fabric for the cover could provide excellent waterproof and dust resistance ability. In addition, there is a TPU coating on the reverse side of the fabric. Both the TPU coating and the fabric are highly waterproof. | High Resilience Foam: Our patio cushions are made of a whole piece of 28D high resilient foam. The 28D foam is not only soft but also supportive. Another important feature of this material is the foam can always rebound within few seconds. That's why our outdoor furniture cushions could maintain long-lasting flexibility and comfort. | The Exquisite and Useful Details: All the details are considered to beauty and practical. There are two adjustable straps on both sides help to make assemble more easily and solid. The hidden zipper could prevent water from seeping through the seams. The the piped edges and interior double bound seams make the cushion good looking and sturdy. The portable handle make it easily to take on and off even with just one hand.