Before purchase: our waist stylus is about 4.3 x 0.31 inch/ 10.9 x 0.8 cm please consider the actual needs of the purchaseGentle with the screen: the stylus pens are designed with silica gel which is more flexible than your finger and won't scratch your screen providing you with smoother using experience of touch screen devicesMore precise than fingers: the touch point on the stylus is more precise than the tip of your fingers to give accuracy to little touch focuses such as keys on the keyboard which reduces false clicks and increase efficiency no more big fingers troubleReplacement mesh tips: the package comes with 8 extra replaceable tips you can use them to replace broken or lost tips; Replacing can be done very easily just screw off and insert the new one no extra tools are requiredWide compatibility: capacitive stylus pens are compatible with iPad iPhone tablets and many other devices equipped with capacitive touch screen nice compatibility allows you to work with them more easily