Size Selection Set includes a seat bottom measuring 24 W x 24 D x 4 T and a cushion back measuring 24 W x 20 H x 4 T. The size description is only for the cushion size, accurately measuring the dimensions of your furnitures seating area in advance, make sure the cushion size fits your furniture . 100 full Rainproof Cover This Favoyard deep seat patio cushions are wrapped in 100 dope dyed polyolefin, plus a full internal TPU coating and the hidden zip, which allows for completely rainproof. No more taking cushions indoors, even in heavy rain Perfect decor in garden, patio, yard and etc. 3Year Color Fastness Favoyard takes pride in infusing our outdoor furniture cushions with advanced coloring technology, each outdoor seat cushion undergoes solutiondyeing to ensure vibrant, longlasting colors and UVresistant. We are confident that all our outdoor sectional cushions can last 3 years of color fastness and can withstand over 1500 hours of direct sunlight. Comfortable Sitting Experience This thickened outdoor couch cushion is filled with 28D high resilience foam for highlevel softness, quick rebound and supportive simultaneously. Effectively makes your outdoor furniture extra comfortable. Besides, the functional fixing straps are useful to keep the cushion in place. Removable Cover, Easy Maintenance Different from other cushions, our patio furniture cushion set use an extended zipper, allowing you to easily take off the filler for cleaning. They are easy to maintain, just wipe them gently with a damp cloth, and they will be as good as new. Machine washable, air dry.