Supports Heating Leg warmers sizes 41-46 customizable USB heate for Everyday Practical Use

DIY Trimming Lines: These insoles come with clear cutting lines marked with sizes 40, 41, 42, and 43, making them easy to trim for a perfect fit in any shoe. Use scissors to cut along the cutting lines to match your shoe size, ensuring a comfortable fit without the hassle of returns. This DIY design makes them suitable for a variety of footwear, from sneakers to boots. Washable and Reusable: These insoles are made EVA material and can be washed and dried for repeated use. After washing, the insoles dry quickly and retain their shape, making them easy to care for. This feature helps keep the insoles fresh and hygienic, making them perfect for everyday wear. 4. Convenient USB Charging and Portability: The insoles are powered by a standard USB port and can be charged using a power bank, adapter, or computer. They use a safe, low-voltage (5V) power source, which is energy-efficient. Their compact design makes them portable and suitable for use anywhere, at home, at work, or outdoors. Safe and versatile, suitable for all footwear: Designed with safety in mind, these insoles feature features like automatic shutoff when unplugged, making them suitable for light activities. They fit most types of footwear, including sneakers, casual shoes, and boots, providing warmth without being bulky. These insoles are suitable for adults and can also be used by children or seniors under supervision. Material: EVA Size:40-46 Color:As shown Package Includes: 1pair insoles