Njseller-cn Free Shipping Pocket Cardsharp Credit Card Folding Safety Knife Blade Razor Sharp, Parking Knife The Pocket Credit Card Folding Safety Knife features a polypropylene body that folds around the BLACK stainless steel blade, transforming the credit card sized package into a capable pocket utility knife This brand new model includes a stiffer, polypropylene body with living hinges that are guaranteed for life and unique a safety lock, which cannot open in pocket or drawer and is child proof.