The ProMark BP1 is a durable backpack coupled with a detachable DSB4 stick bag. The backpack has plenty of space for books, binders, practice pads, drum keys and other accessories. ProMark offers a wide variety of accessories to meet the needs of any drummer/percussionist. From stick/mallet storage solutions to ergonomic drum keys, ProMark has the tools to make your life as a musician easier. For over 50 years, ProMark has been one of the world"s leading manufacturers of drumsticks, mallets, and percussion accessories. Owned and operated by D"Addario & Co., the Houston, Texas based ProMark produces products used globally by the greatest drummers and percussionists in the world, including Neal Peart, Phil Collins, Simon Phillips, Ringo Starr, and many more. ProMark - Make Your Mark.