LOWEST PRICE! Walking COW Balloon! HUGE BALLOON! Many Styles! by 1PaysLess These animal balloons can be filled with hydrogen or hellium for walking effect Each ballon is brought to life by inflating, it can be pumped by handheld air pump easily Made with high-quality materials, welded seams and special inflation valves designed for long-lasting fun Perfect accompaniment to any type of party, birthday celebration, ball events and a good gift to your lovely kids