Ideal for everyday use, these rucksack covers not only get you seen but help keep the contents of your bag dry. - Each cover has a securing strap and reflective silver print. - Available in 3 sizes to suit all bags FRC1 Small up to 350mm(H) x 450mm(W) FRC2 Medium up to 550mm(H) x 650mm(W) FRC3 Large up to 650mm(H) x 750mm(W)