Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black

Customers find the car seat to be of good quality, with memory foam padding that provides comfort, and appreciate its sturdiness and safety features. The seat fits well with three car seats and in airplane seats, though installation is mixed - while some find it very easy to put in, others find it difficult to install rear-facing. Customers disagree on the weight, with some describing it as lightweight while others find it heavy for portability. The secure fit receives mixed reviews, with some finding it secure when strapped in while others report it's impossible to tighten the strap.