NEWBOLER 100% Waterproof Bicycle Saddle Bag Large Bike Tail Seat Bags TPU + Polyester Cycling Rear Panniers Bike Accessories 12L

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​ We used to sell a seat bag made of polyester, and we had a 68-years-old user who had retired and often rode in the wild with his wife. The weather was pretty good at the beginning, but it suddenly started to rain heavily when they passed by a forest . Although they eventually found the shelter, the seat bag was still wet and the phone inside was ruined. All of the nice pictures about the journey can not got back on the phone. We feel very sorry after reading the grandfather's experience, so I decided to make a fully waterproof seat bag . Specification Capacity 6-12 liters Weight: 0.457kg / 1.0lb Size: 23.23*6.3*5.12 inch Package 1* Full waterproof bike saddle bag High quality polyester & TPU, full on waterproof Outside polyester + inside full waterproof TPU , keep your clothesand electronic device dry all the time. Triangle strap system and a bottom support plate provide strong support Max 12 L capcity, best fit for long term travel Inside is TPU, one of the best waterproof material Waterproof zipper in the bag mouth, more space for storage , better than rolling contraction There is reflective pattern on each side of the pack The tail light can hook on the rear part easily Cyclic elastic rope on upside of pack for adding storage options 3 hook & loop seat post attachment strap provides a stable and defined shape Size chart ​