High Quality MaterialHigh-density foam rubber EVA material combined with thick PVC, durable, safe and non-toxic, washable and environmentally friendly.Unique DesignErgonomically designed convex curves and reflection points. Helps increase blood flow and relieve muscle knots and tension. For deep tissue massage, physical therapy, myofascial release, trigger point release, yoga assistance and foot reflexes.Multifunctional Massage ToolThe foot roller is perfect for massaging all areas of the foot, heel, arch and toes. Relief of various foot ailments, including plantar fasciitis. Spiky Ball can be used on all body parts including feet, back, neck, legs, hands, arms, buttocks, hamstrings, thighs, chest and moreSmall and LightweightFoot Massage Roller: 6.3 x 3 inches (about 16 x 7.6 cm), 6 ounces (about 170 grams), pointed ball: 2.8 inches (about 7.1 cm), 2.5 ounces (about 70.9 grams). Very small and light, but big enough to fit any size foot. Take it with you and relieve your feet anytime, anywhereSet of 3Includes 1 Foot Massage Roller, 2 Pointed Balls.