AuroTrends Gold 16" Letters Merry Christmas Foil Balloons Party Decorative Balloons (Gold) The balloons won't float.Great decoration to go with other balloons. Color: Gold Material: Aluminum Film Size: approx. 40cm/ 16" deflated, 35cm/ 14" inflated Package included: 14 letters/set "M"+"E"+"R"+"R"+"Y"+"C"+"H"+"R"+"I"+"S"+"T"+"M"+"A"+"S" The balloon has a self-sealing valve. When the inflation is completed, the balloon comes automatically sealed