TechNiche® Air Activated Toe Warmer, Powered by HeatPaxTM. Perfect for use within many applications. Simply open the warmer to activate up to 6 hours of constant, safe heat. The adhesive backing and flat design make it perfect for race or work footwear. No chemicals, no batteries, no flame. Non Toxic and biodegradable. Packed as Pairs.

• Thin design fits comfortably inside most footwear; adhesive backing ensures warmer stays in place
• Generates up to 6 hours of warmth
• Heating can be suspended at any time by resealing the inserts in an air tight container
• HeatPax™ Size: 2.75” X 4” (7.0 cm X 10.2 cm)