These bags can carry anything from your latest yarn project to your dirty laundry. The bags are made from waterproof fabric with an odor proof lining that makes it perfect for the gym. But the zipper pocket and the stretchy fabric made it perfect for your latest project! Available in two sizes medium (10.5"x14") and large (16"x21"). The Alpaca bag says "Alpaca my bag" and the Yak bag says "Brainy Yak."