1. Aluminum base + soft rubber contact surface, will not wear your computer 2. Can help your computer have more air circulation, let the computer run cooler and quieter 3. The angle of inclination is more ergonomic and more comfortable to type. 4. The two bases can hold each other and lock, so that you will not lose one of them easily. 5. Small size, easy to carry 6. Weight: 50g (2 sets) 7. Product size: 4 x 4 x 3.5cm
