Our Messenger/Bike bags are handmade with ecofriendly material, designed to be useful for the people who help the environment using their bicycles. It has a great size where you can place your notebooks or gadgets, and it even has a space for your water bottles. Our Messenger/Bike bag is made to easily get attached and detached from your bicycle so you can carry it with you even when you have got to your destination. Our Messenger/Bike bags are made with Eco Twill fabric that is made with 65% Recycled Polyethylene, made with recycled soda and water bottles that helps reduce landfill wastes; and 35% organic Cotton. Our Messenger/Bike bag is 8 in. x 13.5 in. x 3 in. placed on a bicycle hand bar (measures may seem different depending on the your bikes handlebars). And laying flat it is 17.5 in. x 13.5 in. x 1.5 in. Our bike bags are products that can easily be personalized embroidering or embellishing it with your own design or company's logo.