4pairs Self-heating Insoles, Foot Massage Warm Thick Insoles, Winter Warm Men's And Women's Sports Insole Accessories

• Activation: The Self-heating Insole From The Outer Packaging And Shake To Activate. It Warms Up In 15-30 Minutes. If The Heat Drops, Expose It To Air And Shake.The Ingredients Are Not Harmful To The Environment.
• MULTI-USE HEATER: A Single-use, Self-heating Insole That Provides Daily Warmth And Is Ideal For Keeping Your Body Warm When Temperatures Get Cold.
• Great For Winter Warmth: Single-use, Self-heating Insoles That Provide Daily Warmth And Are Ideal For Keeping Your Body Warm When Temperatures Get Cold.
• Practicality: At Events, Outdoor Sporting Activities, Hunting And Fishing, Camping And Hiking, Working In The Yard, Jogging Or Walking With .
• Long Heat Generation Time: Each Pair Provides Up To 10 Hours Of Heat With Adhesive On One Side So It Stays Where You Put It.