Waterproof and sunproof design The outdoor egg chair seat cushion is made of density polyester that is waterproof, sunproof, and scratchproof. Suitable for outdoor use on garden or patio egg chairs, it stands up to sun exposure and daily wear for longlasting durability. Versatile compatibility Ergonomically designed to prevent tailbone and hip joint fatigue. for a wide range of chairs including office or kitchen chairs, rocking chairs, patio chair cushions, dining chairs, wicker chairs, wood chairs, round chairs, cars, trucks, wheelchairs, stadium seats and more. Extra thick filling for continuous comfort Filled with doll cotton, 16 cm thick, soft, comfortable and elastic. The extra thickness prevents feeling the chair's structure, protecting your tailbone and hip joints even during extended sitting. 2 Seater Egg Chair Rocking Cushion Doublelayer cushion with sun protection for rocking chairs. Large size is 150 cm x 110 cm (approximately 59 in x 43 in). It's for both solo relaxation and sharing time with children or loved ones during leisure. Use scenarios Outdoor lounging: place on an egg chair in the garden or patio for comfortable, weatherresistant seating. Home versatility: upgrade comfort on dining, office, kitchen, or other chairs around the house. Family time: the 2seater option allows for relaxed shared seating for adults and kids or partners.