Cook delicious potatoes in just minutes using your microwave. This bag is made with 100% cotton fabric,cotton flannel, and cotton thread. It will cook 2-4 medium sized potatoes at one time. NOTE: Make sure your microwave has a revolving turntable to avoid hot spots on the bag. Microwave temperatures may vary. ** DO NOT LEAVE BAG UNATTENDED DURING COOKING.** . Bag measures app. 9 1/4" x 9 1/4". Instructions are included with each bag. Washable,let air dry. Great anytime gifts,teachers,secret pals, & etc. From a smoke free home. Other uses for the bag: Cook sweet potatoes,corn on the cob,warm tortillas,buns,& rolls. Use as hot pads and / or pot holders.