These innovative comfortable and cozy slippers are the only slippers you will ever want to wear. The Thermo Shoes contain 100% natural herbal inserts that can be heated in the microwave providing soothing warmth sensation temporary feet pain relief and promoting overall relaxation which makes them much more than just slippers.Specifications Color - Purple Dimension - 8 X 4 X 10 in. Size - Medium Item Weight - 2.5 lbs. Applications : Hot / Cold. Material / Fabric : 100% Corduroy fabric.Directions Remove any paper and plastic packaging from the Thermo-Shoes. Unzip and remove the inner herbal packs and flexible soles. Heat or freeze the inner herbal packs and soles according to the following instructions depending on preferred application.For Heat Therapy : Heat the inner herbal packs and flexible soles in the microwave for 40 seconds. If the packs are not warm enough heat for another 10 seconds. Insert the packs and flexible soles into the designated compartment in the slippers close the zippers and enjoy. To reuse after application reheat for 15 seconds. Do not overheat the product.For Cold Therapy : Place the inner herbal packs&nbspand flexible soles in a plastic sealable bag and put&nbspin the freezer for 1 to 2 hours. Insert the packs and flexible soles into the designated compartment in the shoes close the zippers and enjoy.Storage : To keep the herbs fresh the inner herbal packs should always be stored in the freezer. Prior to first storage heat the packs in the microwave for 40 seconds. Place the packs in a plastic sealable bag and put in freezer. Do not wash product. Spot clean only.Cleaning : Wipe the product with a wet cloth.Filling Ingredients : Chamomile Cinnamon Lemongrass Peppermint Rosemary Spearmint Yarrow Yellow-Dock Root White Willow Flax Seed and Wheat.Caution : For external use only. Use as directed. Side effects may occur in people with allergies to filling ingredients. If allergies occur discontinue use immediately. Do not over heat the product - Overheating the pack may cause burns and will damage the product. Do not saturate the product - Do not soak or get the herbs wet. For children over 12 adult supervision is advised and always test on adult before use. - SKU: NTRLW022