Fitmus Bumble Roller has the power over even the toughest muscle and fascia jams with rounded knobs for less sharp pain and smoother and more controlled pressure.Rounded knobs allow you to focus into specific trigger points So if you want to focus on smaller and tougher problem areas, this product is for you! Our Bumble Roller is made out of EVA-foam and it is coated with PU to make it hard and durable. It is easy to take it with you wherever you may go, Color: Blue, Dark Blue, Orange, Black Size: 36cm*14cm, Net Weight:680g