Flowers and candles
Flowers and candles are sold outside the church, in plaza miranda. candles have significant meanings such as a black candle is for foes etc. sampaguita; jasmine, is the national flower of the philippines, they are often sold outside in churches at a very cheap price, the jasmine represents purity of the soul and body and often are hanged around the santo's neck as a gift etc.
Army surplus
Items such as uniforms, bags, camping equipment, knives etc. are found in the big army surplus market. however you might find it hard to pass through customs as it is questionable for purchasing army surplus and sometimes filipino authorities say that many shops operate illegally without the permission of the armed forces of the philippines and the philippine national police.