Amazon.com : Pet Dog Bike Basket & Carrier Bag- Foldable Detachable Pet Travel Bicycle Basket - Small Animal Dog Cat Rabbit Bike Ride Basket Carrier (Coffee) : Pet Supplies
Cycling Insulated Bike Cooler Bag Water Resistant Bike Handlebar Bag Bike Basket Front Bag Pannier with Bike Phone Mount - Walmart.com
Klickfix Dog Basket Doggy
With Klickfix handlebar mount (fold-comply) there are so many handlebar luggage possibility (Vaude/Rixen&Kaul/Ortlieb etc). Got an old Vaude from my touring bike fitted on Bromp : r/Brompton