Hands Of Tibet Tibetan Vertical Prayer Flags Solic Yellow Color This listing is for a solid yellow color vertical wind horse prayer flags. It measures 21 inches by 73 inches and handmade in Kathmandu Nepal. Prayer flags are usually to hang indoor and out on roof top or top of mountains that the wind blows and releases prayers into the universe and to create warm environment. In Tibet, Nepal and India, you can see prayer flags on the hill top or on the temple or stupas.