PAIN RELIEF: Keep using the foot acupuncture massage tool will help to relieve lower back pain; migraine; foot pain due to plantar fasciitis, arthritis, neuropathy. | GIFT for PARENTS: Foot acupoint stimulation helps to improve physical mobility, blood circulation, thereby enhancing overall health. Enjoy a foot massage anytime anywhere | COMPACT: Portable foot massager, turn any of your shoes into massage shoes. This massage insole fits work boots, casual shoes & sneakers, open-toe slide, sandals. | WASHABLE: This foot massage insole is made of food-grade odorless silicone; the smooth agate stone is firmly installed into the gel. Wash freely, quite easy to care. | ADAPTATION PERIOD: These aren't regular shoe cushions but therapy massage insole for 10-20 mins wearing per time. You may feel pain at first, need 1-2 weeks to get used to it