If you have any quality problem of our water flosser, please feel free to contact with us, we will try our best to help you to solve the problem until you satisfied. Anti Slip & Scratch - front Lip prevents laptop from sliding off stand and Rubber mat in the width protects the surface of your notebook while non-slip rubber mat on the bottom protects the desk and ensures stable placement. Lightweight, Compact & Portable - This Laptop Stand Only weighs 0.6 kg. the laptop stand also can be folded down flat when not in use so it is very convenient to be storaged in the bag and take it with you everywhere.Its portability makes it perfect for business or pleasure. 7 Heights Choices & 360°Swivel - Adjust height ( 7 - 17cm ) easily . This Notebook stand elevates the screen to eye level for better posture so that provide you an optimal viewing angle. Swivel base allows you to sits at the desired position and share the screen easily. The Laptop Stands Adopted Hollow design for passive airflow, The Stand acts as a heat sink to cool laptop while provides stability for all laptops with screen size within 18 inches under 25kg.