PT0071 11" Inch HEART-SHAPED Foil Mylar Helium Balloons, Silver Color Our Prices Are Unbeatable! NOTE: We Ship By International Air Mail. Delivery Time: 2 to 3 Weeks (Please Be Patient!) 90 Days Satisfaction & Money Back Guarantee! Quality Mylar Foil Balloon. Safe For Children. Maximum Float Height: 5 Miles Float Duration When Filled with Helium: 2 Weeks