GilletteLabs Heated Razor Blades to be used exclusively with the world\'s first Heated Razor deliver the warmth and sensation of a hot towel shave at the push of a button. Designed to transform shaving from a daily chore into an enjoyable and gratifying experience the Heated Razor uses a revolutionary warming bar to provide continuous heat and comfort throughout every stroke of your shave. It features Gillette’s most advanced thinnest and finest blades to provide incredible comfort. What’s Included? 4 blade cartridges