OtterBox Commuter Series Case for Samsung Galaxy Note 4 - Black (Certified Refurbished) This Certified Refurbished product has been refurbished by the Manufacturer or a Third-Party Refurbisher to work and look like-new. The refurbishing process includes testing of functionality of the product, basic cleaning and inspection of the equipment, and repackaging. The resulting product works and looks like-new, and comes with a minimum 90-day warranty. Only sellers who meet a certain performance bar may offer Certified Refurbished products on Amazon. Port covers block entry of dust and debris. Slides easily in and out of pockets. Thin, lightweight 2-piece slider case provides protection against drops, bumps and shock.