Description: 【Material】: Crafted from water Oxford fabric with a rubber base, this bike tail bag is designed to withstand various weather conditions, ensuring your belongings stay dry and protected during your cycling adventures 【Spacious Capacity】: With an expandable design, the bag offers a generous capacity of 40 liters before expansion and up to 58 liters after expansion, providing ample space for all your travel essentials 【Convenient Attachments】: The package includes installation straps, auxiliary binding straps, and a shoulder strap for versatile carrying options and easy attachment to your bike's rear rack 【Compact Yet Roomy Design】: Measuring (42+20cm) x 31 x 31cm, this tail bag is compact enough for easy handling while offering substantial storage space for tools, gear, or personal items 【Lightweight Construction】: Weighing only 2.63kg, this travel tail bag adds minimal weight to your bike setup while maximizing storage efficiency for long rides or daily commutes Specification: Material: Oxford fabric, rubber Size Chart: 31cmx31cm/12.20inchx12.20inch Package Includes: 1x Motorcycle Tail Bag Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.