Rugged and Well-Built: Constructed with high-quality EVA materials, the sturdy bag is also water-resistant and dust-proof to ensure that PowerHouse is always well-protected. Made for PowerHouse: The bag is exclusively made for Anker 535 and 545 portable power stations. Secure Storage Space: With extra storage compartments, you'll find enough room to store chargers, cables, and other accessories. Highly Portable: The bag comes with a sturdy handle and shoulder strap, so you'll have two ways to carry the portable power station whenever you're on an adventure. What You Get: Anker Carrying Case Bag (M size), shoulder strap, and our friendly customer service.