Features: Well made: by adopting silicone material, grip holder can provide moderate firmness and bring stimulation to notes or sketching by minimizing hand fatigue. Ergonomic design: our silicone pencil holder is carefully designed, which is streamlined and ergonomically focused, helps to increase productivity, while protecting your hand from aches, and it is easy to use, simply slide it on the silicone sleeve, and adjust when you need a different position. Made of silicone rubber for durability. Easy to install and use, non-slip and anti-sweat, no more worrying about sweaty hands, providing you with maximum comfort and grip for long-term writing. 0.4mm thickness makes your pencil magnet friendly as ever，Does not affect the charging and double click function. Ergonomic, silicone grip provides comfort and efficiency. for Ideal for individuals with chronic painsuch as arthritis, or tendonitis in their hands, wrists, or fingers. Specifications: Material: Silica Gel Size: As Picture Shown Color: White/Purple/Pink/Gray/Black/Blue/Yellow/Green for Apple Pencil 1/2 Package Includes: 1x Silicone for Case note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.