Billabong On The Go Fanny Pack - Ready to take on anything, the Billabong On The Go Fanny Pack is is convent addition to any daytime look. The main compartment includes inner slots and mesh pockets for organization and an extra front zip pocket provides fast access storage. The waist strap is adjustable, helping customize the pack to your liking. 100% polyester. Imported. Sz: One size fits most.