Grid Foam Roller Spike-shaped Sport Massage Gym Exercise EVA Yoga Roller 33 cm. YK Pink Color (Only ship to USA) Promoting the flow of blood and oxygen-the nutrients needed to repair muscles Perfect for massaging last, quads, lower back, upper back or any other large muscle group Hard, hollow core hand-wrapped in EVA foam makes it firmer than traditional foam rollers Environmental design uses less foam than traditional foam rollers Super Mini Size. Designed for travel. Extra compact. Weights only 20 oz