• Three-quarter view of the Cosco Finale DX Rainbow car seat with pale blue padding, harness and two cup holders
  • Cosco Finale DX Rainbow car seat beside a Proudly Made in Indiana badge and colorful star graphics
  • Finale DX Rainbow car seat with a note highlighting its lightweight, easy-to-move design
  • Close-up of the Finale DX Rainbow car seat armrest and removable black cup holder
  • Three children seated across a vehicle bench, with the center child in a Finale DX Rainbow car seat
  • Black and gray Cosco Finale DX booster beside an IIHS Best Bet Booster badge
  • Finale DX Rainbow car seat installed on a gray minivan seat, shown with harness and cup holders
  • Front view of the Finale DX Rainbow car seat with black harness and cup holder on the right
  • Finale DX Rainbow booster seat shown with a vehicle shoulder-and-lap belt routed across it
  • Side profile of the Finale DX Rainbow car seat showing the tall back, base and cup holder
  • Angled front view of the Cosco Finale DX Rainbow booster with harness and dual cup holders
  • Straight-on Finale DX Rainbow car seat with navy headrest, pale blue padding and five-point harness
  • Cosco Finale DX Rainbow harnessed booster centered against a white background
  • Child buckled into the Finale DX Rainbow car seat in a vehicle, with one hand on the cup holder
  • Diagram showing the Finale DX Rainbow seat's removable cup holder mounted on either side
  • Slightly angled Finale DX Rainbow car seat showing navy side panels, harness and right cup holder
  • Full front view of the Finale DX Rainbow booster with black harness and removable cup holder
  • Finale DX Rainbow car seat in belt-positioning booster mode with the harness removed
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Cosco Kids

Finale DX 2-in-1 Booster Car Seat – Rainbow

Finale DX 2-in-1 Booster Car Seat – Rainbow

$134.99 USD
$134.99 USD
Sale Sold out
Free U.S. standard shipping.

Orders are generally processed in 5–7 business days. Delivery time is additional and varies by item and destination. Shipping policy.

Actual Color

Description

The Cosco Kids Finale DX combines a forward-facing harness seat and belt-positioning booster in one lightweight Rainbow model for children who meet every listed requirement.

Two Forward-Facing Modes

  • Harness mode is listed for 30–65 lb
  • Belt-positioning booster mode is listed for 40–100 lb
  • Narrow profile is designed to fit three seats across in most vehicles
  • Lightweight construction helps with moving the seat between vehicles
  • Removable cup holder can mount on either side

Product Details

  • Five-point harness is shown in the first mode
  • Vehicle lap-and-shoulder belt is used in booster mode
  • Rainbow upholstery combines navy and pale blue tones
  • Seat pad is removable and washable
  • Cup holder is labeled for dishwasher cleaning

Use and Care

Follow the current manufacturer fit, installation, weight, age, use, warning, cleaning, and vehicle instructions before every trip. The seat label and manual take priority; confirm the child, seating position, belt route, and vehicle are compatible before use.

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