Neoprene Laptop Sleeve w/ Flip Cover Custom Laptop Sleeves. Made of soft 2.5 mm flexible, durable Neoprene material with trendy grab & go design. It comes in 13" bag sizes to fit most laptop sizes, custom sizes are also available for additional cost. Quantity over 300 can be fully customizable with different colors and sizes. Use our screen print or heat transfer to add your logo to the large imprint area. Ideal for traveling, schools, offices, and tradeshows.