Nordic Pattern Not too Japanese-style Gray-beige ◎ Only half the size of regular cloth sandals, just by wearing them, You can train your toes, and your foot arch will be aligned. Your body's misalignment will naturally be corrected, and Various health benefits can be expected. Not for medical use This is the feedback from many people who have worn them. ☆ Even those who have no leg problems feel as if their feet are being massaged when they wear them (#^^#) Also for foot relaxation For those who:  Lower back pain  Knee pain (want to strengthen their legs)  Bow legs  Hallux valgus  Cold sensitivity  Posture improvement  Training the body's core sense  Improving performance in dance and sports  Tendency to stumble  Relaxation  Toes spread open etc. Material: The bottom is made of cotton T-shirt knit fabric with a single thread, seamless, for a good foot feel and firm construction. The thong is made of cotton with fluffy polyester cotton filling. PP rope is used for the core. Washable Approximately 9.5 cm x 7 cm Adult free size (approx. 22-25 cm) Please wear them with your heels firmly on the floor. You can adjust them yourself. Can also be used for sleeping. If your feet get cold, wear them with five-finger socks or tabi socks. The thong is made by cutting a single piece of fabric, so the pattern may vary.