Cotton cushion - Recommended for ages 6 months to adult - Seat dimensions: 15" (width) x 10" (deep) x 1" (thick); back rest dimensions: 12" (wide) x 7" (tall) x 1" (thick) - Cushions are washable or can be wiped clean with damp cloth - Cushions fasten to chair and stay in place by means of Velcro straps - Conforms to and exceeds all regulations set forth by ASTM and Consumer Product Safety Commission. - Available in five colors: red, green, blue, orange, brown Argington now offers the Babylon cushions in five colors for its fully adjustable high chair. The improved design allows the seat cushion and the back rest cushion to be attached independently maximizing the comfort of the chair. So, you child can get the back support where they need it most regardless of the position of the seat. Or, as you move the seat up and down, the back rest can stay in the same position. Argington offers the cushion in two new colors - red and green. They are fully washable so it is snap to toss them in the wash and have them ready for the next meal. The cushion is also fully compatible with the tray kit, so the cushion can and should be used with or without the tray kit.