Handlebar Pouch measures a generous 8"x 4" x 2" and includes Hopnel's "digital buddy" clear cellphone pocket system This cellphone pocket measures 7" x 4" and will accommodate most cellphones, MP3 or other devices and loads from inside keeping rain out and devices dry The Clear UV stabilized surface allows easy screen reading and will hold up in the toughest environments The four adjustable straps allow for easy mounting to handlebars.