Backpack Burton Treble Yell 21L gray heather 2019 - universal backpack for school and leisure - material: 600D Polyester Two Tone Twill with TPE Backing / 600D Polyester with PU Backing - dimensions: 46cm x 28cm x 17cm - main zipper pocket - side mesh pockets for drinking - pocket with padded mobile phone, glasses etc. - straps on skateboard