This Blueidea massage slippers is designed to help cure foot/heel pain due to arthritis. It promotes better blood circulation to enhance overall health. It is a great health care gift for family and friends. It is non-slip, safe and easy to wear. Enjoy professional foot massage by simply walking. At first you will feel pain so you can use a socks to help reduce the pain but after a while you get used to the pain and it becomes a dull sensation which you will grow to crave for. It's width can be altered using the adjustable strap to ensure they fit comfortable on your feet Made of soft, comfortable and long life with magic paste design, freely adjust the shoe size according your foot. Effectively stimulate your acupuncture points for your walking to provide safety and health. It improves blood circulation and prevents leg cramps perfectly