LARGE CAPACITY —— Plenty of storage room on either side fits most essentials like energy gel, keys, wallet, inner tube, gloves, mini pump, repair bike tool, cable lock, power bank, etc. The upgraded double-sided bag can carry more items and easy for classified storageHIGH SENSITIVE TOUCH SCREEN —— Transparent TPU film window helps to touch your smartphone easily while riding. HEADPHONE HOLE at the bottom of the bike bag let you enjoy music anytime when ridingWATERPROOF —— Carbon composite material with sealed zippers closure made waterproof bike frame bags. SUN VISOR helps you watch phone screen clearly even under strong sunlight or rainy dayHUMANIZED DESIGN —— This bike bag has many thoughtful design: ①Large area reflective strips design on both sides, safer riding at night and more fashionable; ②Two hook&loop straps installation system is easy to install; ③Lengthened hook&loop design, If the hook&loop strap is too long for your bike, you can cut it offMULTI-APPLICATIONS —— 3 in 1 bike frame bag ( 2 bike side bags with 1 cell phone pouch) suitable for all types of bikes. The bike cell phone holder bag perfect compatible with smartphone below 7.2 inches.