Prevent dangerous and costly slip-and-fall accidents with Umbrella Bags. Umbrella Bags are a proven, convenient and economical way to help keep water off the floor during rainy weather. Umbrella bags are made from strong and cost-effective high density polyethylene and are available in two sizes to fit a variety of umbrellas. The bags are on a convenient header pack that provides easy dispensing for the user and makes it easy to replenish the bags on the stand.