This 4-pack of kid-friendly stylus pens is designed for use with touch screens on devices like iPhones, iPads, tablets, and Kindles. Made of rubber, plastic, and metal, these multicolor pens are 3.5 inches in length and 0.66 inches in width. With a creative design and safety features, they are flexible and compatible with all touch screens. The manufacturer offers a 1-year warranty, making them a reliable choice for children to use with their electronic devices.