Bicycle holder with baffle. Fastened with a zipper. It ensures the safety of using the smartphone while cycling. Mounted to the bicycle frame. The product is compatible with 5.5"-6.3" mobile devices. Waterproof - allows you to use your smartphone in difficult conditions, protecting the device from moisture and flooding. Fastened with a zipper facilitates quick installation of the device in the holder. Damage resistant material reduces the risk of damage and scratches. Equipped with a baffle to protect against the sun for good visibility of the smartphone screen. Available in two sizes: 4.8"-5.5" and 5.5"-6.3". Specification: Material: aluminum + iron + ABS + PVC + EVA Weight: 200 g Size: 17.5 * 12.5 * 11 cm Compatibility: with 5.5"-6.3" mobile devices