The Custom Cushion Company's back wedge cushion is meticulously designed to provide optimal support, stress relief, and posture correction when sitting in a chair or car. Crafted from high-quality firm grey foam, this cushion is available in a large size measuring 15” x 11” with a taper from 3” to 1”. The firm foam construction ensures that the cushion provides the necessary support to maintain an ergonomic sitting position, making it ideal for adults seeking relief from discomfort caused by poor posture.This lumbar support cushion is perfect for various settings including office chairs, car seats, buses, and more. Its design helps promote proper spine alignment, reducing the strain on your back muscles and enhancing overall comfort during prolonged periods of sitting.One of the standout features of this product is its durability. Made from firm, durable open-cell foam, the cushion is built to withstand long-term use without losing its shape or effectiveness. Additionally, it comes in a stylish charcoal color that can easily complement any interior decor.For those who prioritize cleanliness and maintenance, this back wedge cushion is washable, ensuring that you can keep it fresh and hygienic with minimal effort.Customer reviews highlight its effectiveness in providing firm support and improving sitting posture. With a solid rating of 3.7 stars based on over 550 reviews, it’s clear that many users have found relief and comfort through its use.In summary, the Custom Cushion Company's large back wedge cushion is an excellent choice for anyone looking to enhance their sitting experience by addressing posture issues and providing reliable lumbar support.