Portfolio Style iPad Air 1 Case with Air Cells for Drop Protection! The UZBL Rugged Folio combines the cushioned edge protection of air cells with the sleek style of a portfolio case. Like all UZBL cases, the corners and edges that tend to take the most abuse are lined with ribs and cells providing the iPad with unmatched drop protection. The front cover is made from smooth scratch resistant polyurethane and the inside is lined with a soft silicone like material. The back features a large, clear window to view custom stickers and school asset tags.