1) Large capacity in a compact design - Dimensions: 9.05 x 7.08 x 4.72 inches; weight: 0.59 pounds; capacity: 4.5L - Keeps essentials within reach: smartphone, water bottle, wallet, keys, sunglasses, bike repair tools, and more - Front dual mesh side pockets for extra organization - Suitable for daily commutes, long rides, or outdoor adventures 2) High-sensitivity TPU touch screen - Fits smartphones up to 7 inches - Operate your phone without removing it for GPS navigation, answering calls, or switching music - Transparent, durable polymer construction ensures clear visibility and smooth operation, even on bumpy rides 3) Water-resistant and durable materials - Exterior: 900D Oxford cloth - Water-resistant and mud-proof with a waterproof zipper - Protects belongings from rain and splashes on city streets or rugged trails 4) Multi-purpose and versatile - Not just a bike bag: can be used as a shoulder bag or bike phone bag - Adjustable and removable shoulder strap for easy carrying on and off the bike - Three-layer construction with a 5mm thermal insulation EPE middle layer and a thickened water-resistant interior - Doubles as a cooler bag to keep food warm or drinks cold for hours Use scenarios - Daily commute: convenient storage for phone, wallet, keys, and snacks within easy reach - Long rides or outdoor trips: GPS access, quick phone use, and tool organization while on the move - Grocery or casual outings: use as a shoulder bag for off-bike use and keep items protected and organized