Insole Foot Warmers - air Activated Foot Warmer, Safe, Natural and Long Lasting Heat - Ultra Thin and odorless, Disposable Foot Warmer,37-38，G201112

1. Made With  Heating  Premium  Fabric」- Keeps Heat In，Physical Heating And Longer-Lasting Warmth，Environmentally Friendly And Durable

2. 「Physical Spontaneous Heated Insoles Without Power Charging」-Free-Heating Materials Effectively Convert The Water Evaporated By The Human Body Into Heat Energy And Keep Warm For long Time，The More You Walk, The Hotter It Gets,The Heat Extends From The Feet To The Whole Body For A Comfortable Warm Experience

3. 「Wear A Light And Comfortable Experience」 - Flexible Material, Forefoot Slow Pressure Support, Arch Support, Heel Shock Absorption Design, Comfortable And Warm

4. 「Suitable For Various Shoes And Outdoor Application Scenarios」-Thin, Lightweight, Low Profile Fits Most Shoes And Boots Without Making Them Tight，For Skiing Outdoor Working ice Fishing Snowmobile Hiking Outdoor Sport

5. WINTER ESSENTIAL -  ensure a constant and comforting heat for a wide variety of uses. They’re available in several styles designed for your hands, feet, and body. Cosy warmth anytime, anywhere.