The Acumobility Foam Roller & Back Cracker Ultimate Yoga Wheel is a versatile and durable foam roller designed for home use in yoga practices. With a sleek black design and a unique massage grid feature, this 11" height and 7" width yoga wheel is perfect for targeting the back muscle group for enhanced flexibility and relief. Made of high-quality foam material, this yoga wheel is suitable for both indoor and outdoor use, making it a convenient and effective tool for achieving your fitness goals.