A combo pack containing a pair of Wild Piggy, Bare Naked Piggy, and Retro Piggy. The first full insole for your favorite flip flops, thong sandals and shoes.?Piggy Pillows are made with a special anti-microbial fabric that has silver woven into its threads for long lasting protection. They are designed to keep your feet stylish, comfy, and dry. The tapered edge, adhesive backing, and anti-microbial fabric allow your feet to feel secure, dry, and germ free.