The Chelsea drum bag comes in 3 different sizes that are just perfect for all of your all needs. If you are going about the city and need a small carry all, then the Chelsea drum bag small would be for you. Need something slightly bigger to carry more of your everyday things such as some books? Go with the medium. Think you are going to be away for a couple of days or at the gym, large is for you. In case your hands get tired of holding it by the soft nylon handles and prefer to carry it cross body or over your shoulder, all sizes also feature a removable shoulder strap.