100% polyester; UA Storm technology delivers an element-battling, water-repellent and stain-repellent finish; Large main compartment fits toiletries with full length zipper so it can lay flat; Front dual-access pocket & large internal mesh pocket; Tough, PU-coated bottom & back panels for added durability; Dual-carry side & top strap construction for multiple ways to carry or hang-up; Dimensions: 3.7"W x 6.3"H x 9.8"L; Volume: 4 L