{"product_id":"doona-x-extra-infant-car-seat-base","title":"Doona X - Extra Infant Car Seat Base","description":"\u003cp\u003eThe Doona X Extra Infant Car Seat Base is a rear-facing LATCH base compatible with the Doona X Car Seat. Weighing 17.2 pounds and compliant with FMVSS 213B, it combines a height-adjustable support leg, integrated leveling system and color indicators to guide installation.\u003c\/p\u003e\u003ch2\u003eWhy Parents Choose the Doona X Extra Base\u003c\/h2\u003e\u003cp\u003eAn extra base makes it easier to plan everyday trips in another vehicle without moving your primary base each time. The click-in\/click-out mechanism lets you attach and release your Doona X car seat, keeping the transition from home to car straightforward.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe LATCH system provides secure anchorage with one-click installation.\u003c\/li\u003e\n\u003cli\u003eA height-adjustable support leg and integrated leveling system help guide setup.\u003c\/li\u003e\n\u003cli\u003eColor indicators help confirm correct installation, while the easy-release mechanism simplifies removal.\u003c\/li\u003e\n\u003cli\u003eThe base complies with US FMVSS 213B regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDoona X Base Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatibility is with the Doona X Car Seat.\u003c\/li\u003e\n\u003cli\u003eThe base is intended for rear-facing use only and is designated Group 0+.\u003c\/li\u003e\n\u003cli\u003eProduct weight is 17.2 pounds (7.8 kilograms).\u003c\/li\u003e\n\u003cli\u003eDimensions are 14.7 inches wide by 25.75 inches long by 8.7 inches high (37.3 × 65.4 × 22.4 centimeters).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich car seat fits this base?\u003c\/strong\u003e This base is compatible with the Doona X Car Seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan this base be used forward-facing?\u003c\/strong\u003e No. It is intended for rear-facing use only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does the car seat attach?\u003c\/strong\u003e A click-in\/click-out mechanism allows you to attach and release the compatible car seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat helps guide installation?\u003c\/strong\u003e The base includes LATCH anchorage, a height-adjustable support leg, an integrated leveling system and color indicators.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLast verified: November 2026, against the supplied product specifications.\u003c\/p\u003e\u003cp\u003ePosh Baby is a family-owned Portland boutique specializing in premium baby gear since 2006. Enjoy Tax-Free shopping in most states.\u003c\/p\u003e","brand":"Doona","offers":[{"title":"Default Title","offer_id":67960964219155,"sku":"SP465-10-001-003","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0044\/6490\/2244\/files\/doona-x-extra-infant-car-seat-base-infant-car-seat-bases.webp?v=1794015052","url":"https:\/\/poshbaby.com\/products\/doona-x-extra-infant-car-seat-base","provider":"Posh Baby","version":"1.0","type":"link"}