Specification AgeRangeDescription : Infant Brand : BRITAX BulletPoint1 : Install with Confidence, Every Time: ClickTight Installation is secure and struggle-free, whether using the vehicle seat belt or lower connectors BulletPoint2 : Quick-Push Lower Connectors lock into place with a click and are easily released with the push of a button. Store within the base when not in use BulletPoint3 : Easy Find & Recline: Level indicators and spring-assist recline make it easy to find the correct angle for your vehicle BulletPoint4 : Compatible with all Britax Willow infant car seats BulletPoint5 : From the makers of the #1-rated Key Fit Infant Car Seat ; Easiest to install with ReclineSure leveling foot, RideRight bubble levels, and SuperCinch LATCH tightener BulletPoint6 : Please contact seller to get installation vedios and instructions. Please check installation vehicle requirements carefully before ordering. CareInstructions : Wipe Clean CareInstructions1 : Do not use stain removers or bleach. CareInstructions2 : Machine washable on delicate mode. Color : Black CompatibilityOptions : Single Strollers Configuration : Rear Facing CpsiaCautionaryStatement : no_warning_applicable ExternallyAssignedProductIdentifier : 4063846203086 ExternallyAssignedProductIdentifier1 : 652182743017 ExternallyAssignedProductIdentifier2 : 0652182743017 ExternallyAssignedProductIdentifier3 : 00049796608472 FcShelfLife : 1825 days ForwardFacingMaximumWeight : 35 pounds HarnessType : 5-Point IncludedComponents : ISOFIX Headrest Bracket InfantToddlerCarSeatType : infant_car_seat InstallationType : LATCH system or Belt lock-off IsExpirationDatedProduct : 1 ItemName : Britax Aspen™ Infant Car Seat Base ItemPackageDimensions_Height : 64.2874 centimeters ItemPackageDimensions_Length : 23.6982 centimeters ItemPackageDimensions_Width : 38.4048 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : child-safety-car-seat-bases ItemTypeName : Latch Language : english Manufacturer : Britax USA ManufacturerMaximumAge : 18 ManufacturerMinimumAge : 100 Material : Plastic Material1 : Plastic Material2 : Metal Material3 : Polyester MaterialComposition : 100% Plastic MaximumHeightRecommendation : 35 inches MaximumWeightRecommendation : 35 pounds MinimumWeightRecommendation : 4 pounds ModelName : Willow Brook S+ Baby Travel System ModelNumber : S14455400 NumberOfBoxes : 1 NumberOfHeightPositions : 7 NumberOfItems : 1 Orientation : Rear Facing PackageLevel : unit PartNumber : S14455400 Pattern : Solid ProductDescription : Latch is fixed at three points and also requires an ISOFIX interface. ProductExpirationType : Does Not Expire ProductLotCodeTrackingClass : lot_code_tracking_optional ProductSiteLaunchDate : 2023-03-23T16:31:34.127Z RearFacingMaximumWeight : 35 pounds RearFacingMinimumWeight : 4 pounds Size : 1 Count (Pack of 1) StreetDate : 2023-12-13T00:00:01Z Style : Aspen, Base Only SubjectKeyword : Britax infant car seat base, Aspen infant car seat base, extra base for willow, extra base Britax car seat, Willow infant car seat, Willow Brook travel system, extra Britax base, car seat base, Aspen seat base, Willow seat base, Willow base, Britax Willow base, ClickTight base, ClickTight infant car seat base, ClickTight infant seat, ClickTight car seat installation SubjectKeyword1 : Baby SubjectKeyword10 : rear facing SubjectKeyword11 : tempo SubjectKeyword2 : Infant SubjectKeyword3 : Newborn SubjectKeyword4 : Toddler SubjectKeyword5 : anti-rebound bar SubjectKeyword6 : car seat base SubjectKeyword7 : easiest SubjectKeyword8 : extended use SubjectKeyword9 : portable SupplierDeclaredDgHzRegulation : not_applicable TargetAudienceKeyword : Unisex Baby TargetAudienceKeyword1 : People TargetAudienceKeyword2 : Adults TargetAudienceKeyword3 : Unisex Children TargetAudienceKeyword4 : Unisex Adult UnitCount : 1