✔RELIEF: Designed to soothe foot/ heel pain & tension due to arthritis, neuropathy and other ailments. Great healthcare relaxation gifts for your family, friends. | ✔RELAX: Refreshes tired, sore, plantar fasciitis feet. Promotes better blood flow to enhance overall health. | ✔Accessories: Package included 5pcs replacing massage buttons. 3 months FREE exchange for non-deliberate damage. | ✔Gentle reminder: these are specific foot acupoint stimulation slippers, that are quite painful when you didn't get used to it. If you are looking for all-day wearing house slippers, don't take this one. | ✔SIZE: Considerable strap design to adjust the slippers width. If you are between sizes, take larger one.