Abstract: A disposable or washable car seat or other seat liner that may include: Version A being a) generally rectangular shape approximately 20″×40″ and ⅜″ in thickness; b) sheet material having top surface of an absorbent material, an optional middle layer of absorbent filler, and a bottom surface of non-permeable material; c) having several points of reduced strength and reduced thickness scored by heat or pressure at 2 or more points at the upper middle, 1 or more points at the lower middle, 1 or more points on left and right sides of middle, and 1 or more points on the left and right sides of upper, outer edges.