Travel Cotton Drawstring Gym Backpack 15"X 18" Full Color. Advertise your Company's Logo with our Mid-sized Cotton Drawstring Bag! It measures 15"W x 18"H and comes Full Color Imprint on both sides. This Heavy Duty drawstring bag is made from durable Cotton and features strong drawstring chords for Heavy Use. Add your company's name, logo and marketing slogan before handing it out at trade shows, expos, conventions and any other promotional opportunities!