The 30 Metal Universal Stylus Touch Pens are designed for use with a variety of devices including iPads, iPhones, Android tablets, and Samsung devices. Made of aluminum/alloy material, these stylus pens are durable and long-lasting. With a length of approximately 11.5 cm and a multi-color design, they are easy to use and offer precise control for writing, drawing, and navigating on your device. Compatible with a range of devices from different brands, these stylus pens are a versatile accessory for anyone looking to enhance their digital writing experience.