Celebrity Parents Deal of the Week: Babystyle's Britax sale By Staff Author Published on February 24, 2008 08:48 AM Share Tweet Pin Email Babystyle is offering a rare sale- 15% off all car seats and booster seats from Britax. The extremely popular (and highly rated) Marathon Infant-Toddler Convertible Car Seat is now $228.65 (reduced from $269) and their next most popular seat, the Roundabout is now $186.15 (down from $219). The Companion Infant Car Seat is $169.15 (down from $199) with a black base and just $99 with a gray base. And their Monarch Booster Seat is now $126.65 (down from $149). No coupon code needed but hurry up because this offer expires on Sunday, March 2, 2008 at 11:59pm Pacific. There is a $15 surcharge for car seats. If you’re a first-time customer, you may be able to get free ground shipping but the surcharge is still applicable.