Laptop Case Size:366 mm(L)x248 mm(D)x25 mm(H)/14.41"(L)x9.76"(D)x0.98"(H);Compatible with Dell Latitude 3510 /Latitude 3520/Latitude 3530/Latitude 3540 /Latitude 3550 15.6 inch Notebook Material:Laptop Sleeve Made of High-Quality PU Leather and soft Plush to protect your Laptop from dust, shocks, bumps, scrapes and scratches & spills. Convenient Business Design avoids the hassle of reloading and unloading notebooks. Latitude 3510 3520 15.6 inch Laptop Cover Design Stand Function With Cooling Bracket and universal Heat Vents .(The holes are not designed for each Laptop heat vents,It's universal) With Pen Holder,Removable and adjustable 4 corners allows the case to fit the notebook more.