Natural ingredients: the sole warmers are made of iron powder, water, salt, activated carbon and vermiculite, the natural ingredients are safe for the human body, it is the ideal product for men, women, old people and children to warm their feet in winter.
Easy to use: simply open the packaging, the sole heater heats up in the air, remove the adhesive film from the heated insole, stick it at the top or bottom of your socks, and you can enjoy 8 hours or more foot warmth.
Use: Heated insoles keep your feet warm even in the cold winter months, ideal for all winter outdoor activities.
Super thin and comfortable: the winter warmer insoles measure 9 x 7 cm and fit in any shoe bed, whether ski boots, winter boots or elegant women's shoes.
Box contents: 5pairs of toe warmer pads, each pair is individually packed and can be stored for up to 2 years unopened.
Insole Foot Warmers - Long Lasting Safe Natural Odorless Air Activated Warmers - Up To 9 Hours Of Heat - 5 Pair