Specification: Material: memory foam Color: A/B/C/D/E/F/G/H/I/J/K/L/M/N/O Size: 40 cm (15.7 inches) Net weight: 0.3 kg Use scene: study room, living room, tea room Packing method: opp bag Features: 1. It perfectly contours to your body to alleviate hip pressure while sitting; Transform nearly any surface into the most comfortable seat. 2. The cushion is suitable for chairs, cars, airplanes, deck chairs, you can decorate the reading room or to match the office, living room, designed to reduce stress and relax office workers, students, the elderly, which is your perfect choice. 3. These cushions are a great addition to any chair in your home or office; measuring 40 cm. 4. They are a great fit for most chairs; also perfect for outside the home or office; bring to sporting events, concerts, picnics, or anywhere else where you'd like to transform an unbearable seat into a comfortable one. 5. Multiple fashion colors to choices, match your dining room or kitchen theme. Package Includes: 1 * Chair Cushion Notes: 1. 1 inch = 2.54 cm 2. Please allow 2-3cm error due to manual measurement. Please make sure you do not mind before purchasing. 3. Color may not appear as exactly as in real life due to variations between the computer monitors.