The megaloon metallic foil balloon is 40 inch letter balloon this is self sealling balloon attach a non metallic ribbon and anchor the balloon with a suitable weight supplied deflated for easease of packaging and can be filled with helium this supershape letter balloon can be tied with a ribbonstring to secure at one place whilst it bobs about overhead throughout the celebrations making it the perfect addition to your themed party please also check out the wide range of 18 inch foil shaped p