Things 2Way Helmet Bag BlackThe "PORTER THINGS" series features stretch cords, fasteners attached to biases (diagonally), and three dimensional forms. The stretch cord at the bottom, which is eye catching when carried, is elastic and convenient for storing clothes, folding umbrellas, etc. Each item comes with a stretch cord in two colors, black for business use and fluorescent green for a sporty impression, so you can enjoy changing it according to your mood and occasion.