Features: Experience unparalleledly comfort with our ergonomic chair cushion, to alleviate pressure during long sitting. From durability linen and multiple fiber blend, breathable, this Sitting cushion features slip proof base and is machine washable for easy maintenance. For office workers, students, and anyone who spends extended periods,and comfortable. Suited for office, home, this versatiled cushion enhances any seating environment, ensuring you stay comfortable throughout day. Elevating your seating experience with this cushion that combines fashion and functionality, making it indispensable accessory for daily routine. Specifications: Component: Polyester and Memory Foam Optional Size：about 45x38cm/17.72x14.96in 45x45cm/17.72x17.72in 50x40cm/19.7x15.75in 50x45cm/ 19.7x17.72in Color: Brown/Gray Package Includes: 1PC Chair Cushion note: Due to the problems of lighting effects, there might be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.