Blank Prayer Flags Set of 10 Flags This listing is for a set of blank prayer flags. i got few requests from customers. You can put your own prayers on this flags. These flags are made from high quality cotton fabrics. There are five Tibetan traditional colors which are Yellow, green, red, white and blue. There are 10 flags on the roll and Each of the flag measures 6 inches by 8 inches. 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 create a warm environment. In Tibet, Nepal or India, you can see prayer flags on the hill top or on the temple or stupas.