Compatibility: Universal hand strap holder with high durability and elasticity to fit 6 - 8" E-Reader and tablet, including Fire Tablet/Kindle/Kobo Nia/Kobo Clara HD/Lenovo tab M7/tab M8/Voyaga/Sony/Tolino tablet, etc. (Note: Please measure your e-book readers or tablets before purchase.) For One-hand-use: A highly elasticized elastic band spliced with high-quality soft leather, ergonomically designed to move flexibly according to usage habits, which helps tighten the devices around your hand in a secure way, reducing pressure on the hands and making reading more comfortable. It is friendly for use while lying down or commuting. Easy to Attach: The anti-slip silicone coat of the jaws helps to fix the hand-strap on the devices while it can avoid leaving scratches and marks on the devices. Case-friendly: The jaws of the plastic bracket may be slightly pried open to fit thicker devices. It is friendly for use with a slim case on. Easy-Carrying: Simple, slim, soft, beauty and lightweight. It will add minimal bulk and weight to your devices, which is very convenient for you to hold and carry it.