Good for inside gloves or boots, might not be a good fit in those skates though but at least you can leave them in your boots so when you're done skating you can put on a warm pair!

Specs & Details:
• Quantity: 20 Individual Hand Warmers (10 pairs).
• Duration OF Heat: Up to 10 hours of heat.
• Average Temperature: 135 degrees Fahrenheit (57 degrees Celsius).
• Country of Origin: Made in the USA using domestic and imported materials.