PRSVRI XL CADDY Flex™ | Crimson Red Premium Reusable Drink Carrier, Foldable 6-Cup Beverage Carrier with Hinged Cup Supports, Heavy-Duty Rivets, Seat Restraint Set for Coffee & Takeout Drinks

Got it from here: https://www.amazon.com/dp/B09K4RPZJ2 Kinda pricey but they‘ve been worth it so far, careful of the black coffee-cup inserts (they look 3d printed), they can fall out sometimes.