Deft Slim Fit: Thin Blue Kindle Fire Case (The World's Thinnest Kindle Fire Cover) Leather-like exterior is heat molded/pressed polyurethane and seamless (no stitching). Adds only approx 1mm to each side of the Kindle Fire. Sturdy case provides superior protection. Lush microfiber features slots for credit cards, money, etc. Simple magnetic clasp closure. Innovative polymer contact sheet holds the Kindle Fire securely in place.