These are about half the size of regular cloth zori sandals, and simply wearing them can: * Strengthen your toes * Improve the arch of your foot * Naturally correct body misalignment * Offer various health benefits. These are not medical devices. Here are the impressions of many people who have worn them: Even those without foot problems find them incredibly comfortable, as if their soles are being massaged. (#^^#) They also provide relaxation for the soles of your feet. Recommended for those with: * Lower back pain * Knee pain * Bunions * Bow legs * Floating toes * Sensitivity to cold * Poor posture * Difficulty maintaining a sense of balance * Improved performance in dance and sports * A tendency to trip * Difficulty spreading their toes 【Materials】 The sole is made from a single piece of cotton T-shirt knit fabric, without seams, for a comfortable feel. It is carefully and densely knitted. The thong is made of cotton and filled with fluffy polyester cotton. PP rope is used for the core. Washable Approximately 10cm long x 7cm wide Adult size, free size (suitable for those with shoe sizes of 22-25cm) Adjustable to fit. Those with cold feet can wear them with five-finger socks or tabi socks, regardless of the season. Please wear them with your heels firmly on the floor.