MATERIAL: RYLY everywhere mini belt bag are made of 70% nylon and 30% ploster, which is water resistant and anti-abrasion, ensure a long-lasting usage. The finest quality zipper would allow to get into the bag without worrying about dumping the contents. VERSATILE STYLE: Fanny pack for men adjustable strap easily and quickly adjusts to whatever length you need and will remain at your chosen length without loosening, allow you to wear this belt bag in a variety of ways. can be used as a cross-body bags, bum bag, chest bag and belt bags. It’s all up to you.