HARD SPIKY MASSAGE BALL. The spikey massager balls are made of hard plastic and will not bend. They are non toxic, odorless, safe to use. The high density ball reaches deeper into the to release tightness due to myol trigger points, perfect for all over body deep tissue massage. PLANTAR FASCIITIS RELIEF BALL. Rolling feet over a spiky foot massage ball can help with plantar fasciitis as the small spikes are able to strengthen and massage the foot muscles and the , increase blood flow to the feet, reduce pain, calm inflammation and increase body awareness. ALL OVER BODY TRIGGER POINT THERAPY BALL. The spikey massage balls for feet are also great for targeting a sore spot in any other area of your body. They are designed for muscle-related conditions and are a convenient item to have for quick and easy treatment and pain relief. SUITABLE FOR EVERYONE. Spiked massage balls work on the myol system to reduce muscle tension, improve blood flow, and increase your body awareness. It is a self-used tool to aid in rehabilitation and muscle recovery, practically suitable for everyone, especially for athletes, fitness trainers and desk workers alike. ULTRA PORTABLE. Pack of 2 hard massage balls, one in 2.75/7cm and one in 3.5/9cm, can conveniently fit into a gym bag or pocket to provide an easy self-massage and pain relief, perfect for use at the gym, home, office, fitness centers or for on-the-go trigger point massage. Be it sitting at a desk, after intense workouts, or simply from lack of movements, we all have that feeling like we need a good sports massage to take the tension off our bodies. Try SIMPLECOOL spiky hard massage ball exercises to get a much desired massage and help ease the pressure. Perfect for your back, shoulders, neck, hips, arms, legs, buttocks, thighs, feet, all areas of the body