Multiple Compatibility: This hand strap is suitable for phone, Kindle ebook reader, tablet and other similar digital devices ranging from 4 to 8 inche. As long as the device is in this size range, the grip strap can be used. Note: Product does not include Kindle clear case | Excellent Materials: This grip strap is made of high-quality TPU and strong adhesive patch material, and its unique design is small and lightweight to ensure comfortable long-term use. No matter what activity you use your phone, Kindle or tablet for, the grip strap provides stable support, is easy to carry, and doesn't come off easily | Personalized Installation: Based on personal preferences, you can choose one or multiple hand straps and stick them to the desired position on your device or device case using the strong adhesive backing. Once securely attached, you can use your device with confidence | Two Functions: The grip strap provides a secure one-handed grip for smartphones, Kindle ebook reader, and tablets. It also functions as a hands-free stand for watching on your smartphone, providing convenience for various occasions. Note: The stand up feature is only available on mobile phones, not other digital devices | Adjustable Strap: The hand strap has an adjustable tightness that you can adjust according to your hand type and usage habits. Make sure the connection between the hand grip strap and the finger is both strong and comfortable for the best grip experience