BM WORKS Mini Saddle Bag Black Perforated Leather - Beautiful Bicycle Seat Bag, Light Weight-75g only Beautiful bicycle seat bag with simple design, made with high quality artificial perforated leather and colour zippers Enough space to organize tube, patch, and tools 4 Colors Available Size: 120x80x75mm, Weight: 75g Product is not waterproof. However, materials are water resistant so will stay well against rain.