Waterproof backpack with a roll top closure. Made for wet weather commuting. Tough-wearing tarpaulin construction with heat sealed seams to keep the water out. 30 -litre capacity. Adjustable, padded shoulder pads cushion and protect. Reflective detailing and bike light attachment loop. 30L capacity 100% polyester tarpaulin waterproof fabric Heat sealed seams Roll top closure with clip fastening Padded shoulder straps Reflective print detail Bike light/reflector attachment loop 100% Polyester