Mini all-in-one steel knife with stainless steel blade, mini portable knife/box opener/pack opener, ultra-compact and lightweight mini knife! Let’s find out Blade: stainless steel Features: 1. Ultra compact and lightweight, weighing about 9 grams, easy to carry, will not add burden to your wallet, pocket and key chain, and can be used anytime, anywhere, very convenient 2. Durable: Lasts for several years or longer. We use high-quality materials to confirm the sturdiness and durability of our knives 3. Very convenient: small size, light weight, easy to carry and use Maintenance: 1. Rinse the knife thoroughly with water 2. Wipe with a clean, dry cloth 3. Dry 4. After drying, apply knife care oil on the blade. (Ordinary cooking oil will also work)