HEAVY DUTY & EXTRA LARGE:The moving bags are made by top quality 200gsm weight coated polypropylene. tear resistant and waterproof,safely hold up to 60lbs. Easy to clean; just rinse with water and let it dry.,MULTIPURPOSE AND APPLICATIONS:it's strong enough,large enough,the moving totes with lids for storage can be used for blanket containers, clothes storage bins, sweater storage.