... gas for 7-15days 3.letter balloon BrandCYItem No.CY-DP001 to CY-DP026MaterialPA+PESize13*17 inchCertificationCE/EN71Packing20pcs/bag 2000pcs/ctn ... power lines. MORE INFORMATION ABOUT USWe specializes in manufacturing Dubang CY brand foil balloon, hydrogen balloon, and walking pet balloon, ... alibaba.comContactsMollyTel: 0086-768-5922345Fax: 0086-768-6621978QQ: 931223863 CY-DP series foil letter balloon