Hi-Vis backpack - ·100% polyester (420D/600D) ·main compartment with compartments ·interior pocket for MP3/iPod player with rubberized headphone port ·two side mesh pockets ·flexible front pocket that can accommodate a ball or helmet ·carrying handle Padded, adjustable shoulder straps ·reflective stripes on each side ·capacity: 23 liters ·dimensions: 28 x 42 x 15 cm ·max. cylindrical embroidery field: 10 ·print area: 16 x 12 cm ·printing (screen and transfer printing) and embroidery possible