Based on this product's specifications, here are some alternatives and similar models
Scooter bag Xiaomi BHR6750GL — Black EVA, PU leather, 140×110×260 mm
Summary description:
The Xiaomi BHR6750GL electric scooter bag is a compact accessory made of EVA foam, PU leather and polyester in a black finish. Measuring 140×110×260 mm, it fits essentials like phone, keys and wallet while riding. It mounts to the scooter for secure, easy access to items and improves on-road convenience and organisation.