100% Polyester NIKE FANNY PACK: The Nike Sportswear Heritage Fanny Packs for women and men lets you easily access and carry your gear. CONVENIENT STORAGE: Zippered pockets provide secure small item storage. ADJUSTABLE FIT: Padded, adjustable strap lets you customize your fit. DURABLE FABRIC: This fanny pack for men and women is made of polyester fabric that is light and durable. HIP PACK: Imported, dimensions: 16" L X 4" W X 6" H, materials: 100% polyester