TOP QUALITY MESH LAUNDRY BAG WITH 1 YEAR WARRANTY: 100% Ultra Premium Polyester mesh that is both soft and tough to protect delicates from being damaged in the wash cycle.ROOMY SIZING TO PACK IT ALL IN: we skipped the tiny sizing of most bags. The set contains 2 Medium Bags (16x12 inches) and 2 Large Bags (20x16) for fitting several items at once.SUPERIOR CLEAN: Mesh size is perfect for the flow of soap and water; Prevents transfer of lint and other debris into bag; Actively expels water to speed up drying times; Washer and dryer safe. Works well with dreft, woolite, tide laundry and similar washes.PRACTICAL DESIGN: the mesh laundry bags include a special loop for hanging dry, with a zipper protector to keep bag from opening in wash cycle.USE TIP: some people set their delicates aside in these bags so they don't accidentally put them in the dryer. Brilliant!