The GoFit 12" Deep Tissue Muscle Roller is a foam roller designed specifically for targeting the back muscle group. It features an ultra-fine core and includes a myofascial ball for added massage capabilities. The roller comes in a vibrant blue color and is suitable for both indoor and outdoor use. The set includes a go roller, myofascial release ball, mesh carry bag, and a training manual, making it a comprehensive fitness equipment for gym and training activities. Made of foam, this product from GoFit ensures a comfortable and effective workout experience in China.