3rd picture is stock but of the same cushion just different color Unique contour and u-shaped design to help alleviate pain associated with lower back, sciatica, coccyx, and hip areas. Also great for recovery after herniated discs, tailbone injuries, or spinal issues. Cushion can be turned to either add more support or help take pressure off the spine and/or coccyx areas. Designed to promote healthy posture which aides in increasing blood flow to your legs and feet, and improving lumbar and spine alignment. Manufactured with high quality standards using premium materials. Cushion consists of high grade contoured firm memory foam with an enhanced cooling gel layer located on top. Easy to remove zippered velour outer cover that can be thrown in the washer. Anti-slip bottom to reduce movement on virtually any surface. Great for travel, auto, office, home, wheelchair or other mobility devices. Take with you to the game. (talk about a game changer, those bleachers can be brutal) Returns must be not taken out of plastic, I can't accept returns once opened.