This is a good alternative to the Urban Arrow cover made by DS covers in the Netherlands

Protects your cargo bike from rain, dust, UV and frost.
• With lock holes for a chain lock.
• Elastic hem for proper enclosure.
• Adjustable strap with snap closure holds cover in place.
• Double stitched seams for durability.
• 100% waterproof and dustproof.
• Material: 300D polyester.
• Comes in handy storage bag.

dimensions 260x70x100 cm