IPX6-rated 30L waterproof backpack built for beach, pool, boat, and travel use. High-density TPU construction with welded seams and a buoyant design offers heavy rain and splash protection, with easier retrieval on the water. Suitable for smaller SUBLUE scooters and daily water-sport essentials — for Navbow, Navbow+, or Vapor, consider the SUBLUE 52L Waterproof Backpack.