Ultra-Lightweight and Portable: Weighing approximately 63g, this saddle bag is small and easy to carry, perfect for cyclists who need to travel light without sacrificing essential storage space Efficient 0.5L Storage Capacity: Despite its compact size, the saddle bag offers a 0.5L capacity, providing ample space for your cycling tools, keys, phone, or wallet Secure Magic Tape Mounting System: Equipped with a sturdy magic tape strap system, this saddle bag is easy to attach and detach from your bike, ensuring a secure fit even on bumpy rides Waterproof Design: Constructed with water-resistant materials and a zippered seam with laminated waterproof coating, this saddle bag effectively keeps rain and moisture out, ensuring your items stay dry even in wet conditions Safety Reflective Strip & Tail Light Loop: For added safety, the bag features reflective strip to enhance visibility during night rides. It also comes with a convenient loop for hanging a tail light, giving you extra peace of mind while cycling in low light conditions Specifications: Material: DuPont paper + TPU Capacity: about 0.5L Product size: 13.5*6.5*8.5cm Product weight: 63g