Microstructure of giant catfish skin (A) and tilapia (B). LM examined Brooklyn Fire Drawstring Bag. Combine your love for vibrant prints and a sporty style with a cool drawstring bag. Festival or everyday essential that can be worn as a backpack with drawstring closure at top, and narrow, contrasting shoulder straps. 100% spun polyester Bag size: 15 17 Maximum weight limit: 33lbs (15kg) Twin cotton handles Drawstring closure