This product is made of Lycra waterproof fabric, which is sweat-absorbing and breathable, soft and skin-friendly. Large capacity space, whether it is sports, climbing, running, dancing, yoga, dog walking, etc. The interior mezzanine is designed so that all personal items can be properly stored, and every inch of space can be used reasonably. Single water bottle bag design, practical, delicate and beautiful. Reflective strip design, running in the morning and night is safer. The convenient headphone jack design makes sports no longer monotonous. High quality buckle, strong and durable. Welcome to inquire!