You can use this brush set to clean all the dirt, food, etc. on the keyboard. The small brush is very suitable for removing all the dust hidden in the crevices of the keyboard.The keycap can be easily replaced with the key puller in the set. The large brush is very suitable for removing dust from the computer case.It is made of good quality PP material, durable to use.The length of this large brush is 11.7cm, the width is 4.3cm and the height is 2.5cm.It is suitable for keyboard, computer, phone, etc.Item Name: Keyboard Cleaning Brush SetMaterial: PP(Polypropylene)Color: BlackModel: 665Style: 6Pcs/Set; 8Pcs/Set (Optional)Features: Multifunctional, Professional, Anti StaticSize Details: Large Brush Size: 11.7cm x 4.3cm x 2.5cm/4.61" x 1.69" x 0.98" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:6Pcs/Set:5 x Cleaning Brush1 x Tweezer8Pcs/Set:5 x Cleaning Brush1 x Tweezer2 x Key Puller