Features:* No need to charge: Heating constantly temperature insole, physical heating, long-lasting warmth. The insole warmer is safe and reliable.*Easy to clean: The thermal insole warmer shoes are easy to clean, wash with warm water, no fading, no pilling. Durable and can be worn for a long-time.*Sweat-absorbing and comfortable: Multifunctional constantly temperature and deodorant fabric, moisture-proof. The women&39;s thermal insole is soft and absorbs sweat to keep shoes dry.*Easy to adjust: small and light, easy to carry anytime and anywhere. The self-heating insole can be properly trimmed to fit your shoe size.* Applicable occasion: thermal insole can effectively generate heat to keep you warm. Suitable for many sports, such as running, football, mountain climbing, skipping rope, fitness and so on.Notice:*Actual color may be slightly different from the image due to different light effect*Please allow 1-3cm deviation due to manual measurementDescription:Size: As shown