Color: Blue Material Silicone, Thermoplastic Elastomer 6 Balls for Pain Relief deep Tissue Handheld Suitable for Legs Waist Neck and Shoulder Massage Relaxer Multiple Uses: This tool can be used for pain relief in various areas like legs, waist, neck, and shoulders. Water Resistant: The roller massager is not water resistant, making it safe for use in the home. Pain Relief: The roller massager provides deep tissue massage to alleviate pain and discomfort.