- BULK PACK - Derby Extra Double Edge Blades will fit all traditional double edge razors. Made in Turkey, these blades come individually wrapped and feature a platinum coating for enhanced comfort. You get 20 packs of 5 blades, which is a total of 100 blades. Also available in smaller 5 blade packs, which is a great way to try before you buy. SKIN TYPES - Suitable for all skin types. HOW TO USE - Remove blade from dispenser and insert into your favourite double edge razor. RECOMMENDED FOR - Double Edge Razor, Double Edge Safety Razor, Traditional Shaving, Wet Shaving, Ingrown Hairs, Dry Skin, Normal Skin, Oily Skin, Combination Skin, Sensitive Skin.