Shindigz Foil Balloon Weights Black Package of 6 Black Foil Balloon weights are a decorative way to hold your party balloons in place Each black balloon weight measures 4 1/2" high x 2 1/4" wide and comes in a package of 6 The delightful Black Foil Balloon weights 4 pound and will hold approximately 18 latex balloons or 40 (18 inch) mylar balloons