Specifications: S (35-40), M (41-43), L (44-47) Features 1. Natural physiotherapy: Acupressure Insoles provide you with natural foot massage therapy to help relieve foot fatigue and pain. 2. Comfortable experience: This foot massage pad is suitable for all kinds of footwear and is very soft and comfortable, making you feel comfortable wearing it every day. 3. Easy to use: Acupressure Insoles are easy to install, just put it into the shoe, and you can enjoy the massage and comfort of every step. 4. Effectively promote blood circulation: The massage function of Acupressure Insoles can greatly promote blood circulation in the feet, thereby relieving pressure and reducing swelling. 5. Multifunctional advantages: Acupressure Insoles can not only relieve foot fatigue and pain, but also regulate the internal functions of the body and improve the body's immunity. Comments: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. SKU color is the color of the product packaging Package includes: 1 * Foot massage pad