McCarty's Sacro Ease Keri Lumbar Cushion can gives life to your seat by adding a supportive backrest with ergonomic benefits. Those who need extra cushioning throughout the day know that Sacro Ease is the answer. The Keri Lumbar Cushion can reduce muscle tension that has built up from years of unsupportive seats and chairs. This back cushion also works perfectly on office chairs, couches, car seats, or any sitting surface where additional support is required. The strapping system is easily adjustable to secure in place after for your exact preferences. With memory foam that conforms to the body and props you up for healthy alignment, this seat supports the spine to improve the body's overall wellness.