General description Relax your body after a long day with the AlwaysH Stainless Steel Massage Ball. This innovative cold massage ball is designed to soothe and relax your muscles, and can also be used with essential oils for facial massages to enhance skin care absorption and improve blood circulation. Technical specifications Material: Stainless Steel Design: Hand-held, 2-in-1 for cold and heat Installation For cold use: Place the massage ball in the freezer for 2 hours until cooled. For hot use: Soak the massage ball in a bowl of hot tap water for 5 to 10 minutes. Usage The cold massage roller is effective for: Reducing inflammation Speeding up muscle recovery Promoting blood circulation Relieving pain from plantar fasciitis, tired muscles, back pain, neck pain, hamstring pain, shoulder pain, and stress. Full body massage: Can be used as a back, neck, foot, leg, shoulder, deep tissue, or arm massager. Other information This muscle massage roller is lightweight and easy to hold,