Featuresr roll top closure makes it convenient to put in or take out your itemsr adjustable bag capacity from 3l to 7l according to different needsr webbing straps with buckles for easy adjustment and stabilityr sturdy mounting system keeps bag securely mounted on the handlebar of your biker reflective logo increases your visibility to motorists in low light conditionsr constructed of ripstop nylon fabric with double layer waterproof nylon tpu interior keep your items dry even in rainy da