Comfortable, secure and durable, the ergonomically designed Contour 2.0 Executive Balance Laptop Spinner 15.6 inch is a four-wheeled spinner. The Contour 2.0 Executive Balance Laptop Spinner 15.6 inch features a contoured panel that hugs the body and shifts weight closer to the center of gravity. It includes a puncture-resistant, lockable zip, tough, water-resistant material, ample space and interior padding for device protection.