B&W Waterproof Case 6040 Cirrux Certified Lithium Ion Transport Case Category_Brands Bike Citizens Uses: Trail Uses: Trail Removable & Washable Comfort Liners & Cheek Pads for easy maintenance and hygiene Precisely placed visor for unobstructed peripheral vision and ample space for goggles Certified Safety Standards conforming to US and Europe downhill bike safety the special case had to pass extensive tests for hazardous goods packaging in order to be certified for the transport of lithium ion batteries including lithium ion polymer batteries according to UN regulation 3480 The case is certified for the transport or storage of two Li Ion batteries with a capacity of up to 750Wh per battery