Phone holder: Get a waterproof bicycle phone holder. Adjustable strap: The EVA straps at the back can be adjusted to suit your bike. Compatible with phones smaller than 6.3 inches. Waterproof: This handy holder sits on your bike handlebars so you can view your phone while riding, with a waterproof zip-up case to prevent damage during rain and going through puddles! Material: Made from PVC and ABS. Upgrade: Upgrade and get two phone holders! Product dimensions: 183mm x 110mm x 30mm. | Waterproof Bicycle Phone Holder | Wowcher