I used this once and then the pandemic hit, so we didn’t fly. These sell for about $100 new. It accommodates all Britax Convertible Car Seats and Harnessed Booster Seats, and most other car seat brands.

Description:

-Attachment using the car seat’s LATCH connectors for quick and simple use

-Compact fold stows into small spaces including most airplane overhead compartments

-Steel frame design for strength and durability. No assembly required

-Raised platform protects the car seat from contacting the ground

-Easy-glide wheels for a smooth transport of your car seat and its passengers

-Allows for transport of children harnessed in car seats for short travel distances

-One-hand telescoping handle with two positions to accommodate all size users