Universal Fit(addition to 74 x 22 x 3 in option）: This outdoor lounge cushion features a seat size of 44 × 21 × 3 in / 1117.6 × 533.4 × 76.2 mm and a backrest size of 28 × 21 × 3 in / 711.2 × 533.4 × 76.2 mm, designed to fit most standard lounge chairs.