Holographic Mermaid Fanny Pack. This stunning fanny pack shines in the light and will capture everyone's attention. It features an adjustable strap and two pockets, one on the top of the bag and one in the front. These fabulous fanny packs come in a variety of colors to match your outfits and needs. This is the perfect accessory to spice up your life and your look at Burning Man, raves, festivals, and more!