This is a waterproof smartphone case. You can operate your phone through the cover. It comes with a neck strap, so you can also wear it around your neck. It's useful not only at the beach or pool, but also to protect your phone from sand on the beach, and when you want to enjoy videos or music in the bath. Height: Approximately 16.5cm Width: Approximately 10.5cm (This is the size of the part that holds the smartphone.) Click here for a list of smartphone accessories → #whitePearlスマホ ※⚠️ Before use, be sure to put tissue paper in the case instead of your phone and perform a 30-minute waterproof test by submerging the waterproof case in water. ※⚠️ Please be aware that we are not responsible for any incidental damages (changes to your device, loss, loss of profits, and related expenses) arising from the use or inability to use this product.