Jack The Barber Double Edge Stainless Steel Safety Razor Blades 12pk deliver a smooth sharp shave when used with any double edge razor. Suitable for all skin types. Directions: Follow razor instructions for loading and use. Care: Individually wrapped for safety, shelf life and sterilisation. Rinse after each use. Caution: Razor blades are sharp tools. Keep away from children and handle with care at all times.