Shave Prep Razors - Unweighted Razor w/Stainless Steel Blade Double-edged razors with sharp stainless steel blades are designed to provide a close, smooth prep shave and to help minimize skin irritation. Sonically welded blade guards stabilize/secure blades, and the nonslip grip allows for maximum control and positioning. Weighted razors provide additional measure of balance and stability. Material: Polystyrene.