1. High Sensitive Touch ScreenThanks to the transparent, highly sensitive TPU case. Without opening the bicycle frame bag, easy access to all functions, such as Take photos, view maps, answer calls, etc. The dimensions of the transparent TPU window are 175 x 85 mm (diagonal 185 mm). 2. : Our frame bicycle bag is made of wearresistant, durable, highquality EVA and a wellsealed double zip that ensures that no water flows into the bag. It can also protect your devices and the items in the bag from dust, dirt and sand. 3. Spacious storage space: the dimensions of the top tube bag are 20.5 x 9.5 x 8.5 cm (L x W x H), the volume is large enough and can meet daily cycling needs. Let your wallet, keys, mini pump, mobile phone, power bank, repair kit and more take with you. 4. Comprehensive CompatibilityDesigned with a durable and stretchy, 360° rotating silicone pad for the phone holder. The length and width of the phone holder can be flexibly stretched to fit all 4.0 to 6.2 inch phones. Suitable for Android, iPhone 5 to iPhone 8 P/X/XR/Xs/Xs Max, Google Nexus 5/4, HTC, LG and GPS devices.