Rhinowalk Bicycle Waterproof Saddle Bag Mountain Bike Tail Tool Bag(L)1. The elegant curved line design of the bag body is integrated with the bicycle. 2. It adopts seamless voltage technology and TPU waterproof new material, which is waterproof and dustproof. 3. Lightweight design, easy to carry. 4. Both specifications are suitable for round seatposts of ordinary road bikes, mountain bikes, folding bikes, travel bikes, etc., but not for wind breaking flat seatposts. 5. Material: 600D TPU 6. Capacity: 0. 6L, 1L 7.