Large size & Help Relieve Paingel seat cushion size is 42 x 35 x 3 cm, weight about 0.9kg. Double layer gel cushion design. Not only thicker, but also more comfortableEffectively prevent and alleviate various pain symptoms, including tail bone problems, lumbar strain, sciatica, and degenerative disc disease. Breathability and heat dissipationOur seat cushion adopts a honeycomb design, and the built-in free-flowing air channel prevents the seat from sweating and maintains comfortable heat dissipation. Super soft & hard to deformThe gel cushion has cushioning property that it does not broken even if you put an egg and sit down. In addition, it is characterized by high elastic gel material, it restores to its original shape as soon as it is stretched and squeezed, and has superior durability than conventional cushion. Applicable scopeChair pad is great for office, home, travel, car seat or wheelchair use,suitable as gifts for family, friends and colleagues . Zipper design, easy to cleanThe zipper design and detachable seat cover can better clean the gel seat cushion. This way you can use the seat cushion without worrying about soiling the seat. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.