Booster Seat Cushion Extra Firm Chair Foam Cushion for Adults Booster Seat Elevation Pillow Lift Cushion for Chair Couch Office Patio The Extra Thick Booster Seat Cushion is used to relieve sedentary discomfort reduce lower back pain promote healthy sitting posture. 4.7 inches height so that it is easier to rise from a sitting position on your own. It can be used as a seat cushion for dining chairs wheelchair office chairs low sofa and other low rise chairs and more. Features: Perfect Thickness - 4.7 inches height extra firm cushion add sitting height to low chairs and aid in standing from a sitting position effectively. Breathable Material - The cover of booster seat pillow made of breathable mesh fabric removable and machine washable. Adjustable Level of Comfort - Three layer padding filled depending on the desired softness or firmness you can place the foam layer on the top middle or bottom of the seat cushion. Adjustable Seat Cushion Height - With zipper design if you want to lower the height of the cushion you can also remove a layer of filler. Portable Handle - Easy to carry around. Product Size: 16.5 * 13.3 * 4.7 Weight: 2.42 lbs Color: Khaki.