Golla Polaris laptop bag This durable briefcase will help your laptop safe and dry. The Polaris is made of 100% water-wicking polyester, so a little rain won't be a big problem. You'll find pockets both inside and out, and it even has a special compartment for your Surface Pen. Dimensions: 10.5 x 15 x 2.1 inches. Compatible with the 13-inch Surface Laptop In excellent condition as pictured!