Quick Overview Add vibrant bubbles of color with our black mini Balloons. Our small black latex balloons easily transform your space into a festive party room. Use alone to create an original centerpiece or mix and match with different balloon sizes for a custom balloon arrangement! Each balloon measures 9 inch after inflation. Each pack has 20 pieces. Note: Balloons arrives uninflated. To inflate it with helium please visit your closest Wanna Party store or contact any helium gas provider near you. Filling charges are extra. REF SKU # 70037BL