The Waterproof Medium Barrel Bag will keep your belongings clean and dry.This bag can be used to carry a flat repair kit if you want to ditch your saddle bag. Great option if you have a dropper seatpost.Carry extra gear like a packable jacket, gloves or snacks for a long ride.You can use it to simply unload your pockets to carry your wallet, phone, keys etc.Convenient exterior bungee system adds more storage. Two easy access mesh side pockets.Quick installation and removal.Shoulder strap included to carry the bag while off the bike.Specs: Capacity - 1500ml Weight - 162g Size - 24.5cm x 10cm Features: Waterproof Design Two external mesh pockets External bungee system to carry more gear Removable shoulder strap w/attachment points Reflective accents Two velcro attachment velcro straps (for handlebar) Multiple positions to attach straps for best fit Bungee attachment strap (for steer tube)