Anna Smith Cosmos Ladies Canvas Backpack and Polka Dot Variation Made of good quality Canvas material. Main compartment is fastened up through a draw string and covered by magnetic snap flap-over for extra security. Outer: Two pockets with magnetic button snap closure to the front. There are pockets with magnetic button snap on either side of the bag. Inner: Two open top pockets and a zipped pocket. Fully lined with quality fabric material.