The bike saddle bag is made of high-quality and durable Oxford cloth. The completely waterproof design can withstand rain and soil, protect the items from being damaged. And In addition, this bike seat storage bag is designed with a mesh pouch to store your water bottle.Features-Color: Black-Material: Oxford cloth-Size: 25.00X8.50X7.00cm/9.82X3.34X2.75in- This bike storage pouch can meet your daily need and prefect for small tools, water bottles, keys, phones, towels, etc.- Easy to apply, install it under the seat, it will not touch you legs anymore while cycling.- Durable for use, strong and sturdy, not easily to break, long serving life.- Provide a convenient and safe place for you to put bottles, suitable for most bikes.- Simplify the burden of riding and provide you with a relaxed and enjoyable cycling experience.