Safety 1ˢᵗ® TriFit All-in-One Convertible Car Seat , Borderline, Infant & Toddler, Unisex

4.4 stars out of 730 reviews
(4.4)|
730 ratings

Key item features

  • All-in-one convertible with rear-facing (5–40 lbs. and 19”–40”), forward-facing (30–65 lbs. and 34.4”–49”), and belt-positioning booster (40-100 lbs. and 43.4”–52”)
  • Slim design fits 3 across the back seat
  • 1-hand-adjustable headrest and harness system
  • Soft and plush infant insert
  • Machine-washable and dryer-safe seat pad
  • Easily adjustable 3-position base
  • 2 removable, dishwasher-safe cup holders
  • Engineered and tested to meet or exceed federal safety standards
Current price is $129.00
Price when purchased online
  • Free shipping
  • Free 90-day returns
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Comparison Chart:
Age GroupToddlerSafety 1ˢᵗ® TriFit All-in-One Convertible Car Seat , Borderline, Infant & Toddler, UnisexInfantSafety 1st Grow and Go Sprint All-in-One Convertible Car Seat, Black Beauty IIToddlerCosco Kids Scenera Extend Infant & Toddler Convertible Car Seat, Moonlit Night, BlackToddlerCosco Kids™ Easy Elite Slim All-in-One Convertible Car Seat, Grey Glyphs, Infant & Toddler, UnisexChildBaby Trend Trooper Slim 3-in-1 Convertible Car Seat - Desert TanChildBaby Trend Hybrid SI Desert Grey 3-in-1 Combination Booster Car SeatChildEvenflo NurtureMax Infant Car Seat (Dallas Blue)InfantGraco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, BlackInfantGraco TrioGrow SnugLock 3-in-1 Car Seat, Warren, BlackToddler(4 pack) Graco TurboBooster 2.0 Backless Booster Seat, Kent, Grey
Child Car Seat StyleConvertible Car SeatsSafety 1ˢᵗ® TriFit All-in-One Convertible Car Seat , Borderline, Infant & Toddler, UnisexConvertible Car SeatsSafety 1st Grow and Go Sprint All-in-One Convertible Car Seat, Black Beauty IIConvertible Car SeatsCosco Kids Scenera Extend Infant & Toddler Convertible Car Seat, Moonlit Night, BlackConvertible Car SeatsCosco Kids™ Easy Elite Slim All-in-One Convertible Car Seat, Grey Glyphs, Infant & Toddler, UnisexConvertible Car SeatsBaby Trend Trooper Slim 3-in-1 Convertible Car Seat - Desert TanHigh-Back Booster Car SeatsBaby Trend Hybrid SI Desert Grey 3-in-1 Combination Booster Car SeatInfant SeatEvenflo NurtureMax Infant Car Seat (Dallas Blue)High-Back Booster Car SeatsGraco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, BlackConvertible Car SeatsGraco TrioGrow SnugLock 3-in-1 Car Seat, Warren, BlackBackless Booster Car Seats(4 pack) Graco TurboBooster 2.0 Backless Booster Seat, Kent, Grey
ColorBorderlineSafety 1ˢᵗ® TriFit All-in-One Convertible Car Seat , Borderline, Infant & Toddler, UnisexBlack Beauty IISafety 1st Grow and Go Sprint All-in-One Convertible Car Seat, Black Beauty IIMoonlit NightCosco Kids Scenera Extend Infant & Toddler Convertible Car Seat, Moonlit Night, BlackGrey GlyphsCosco Kids™ Easy Elite Slim All-in-One Convertible Car Seat, Grey Glyphs, Infant & Toddler, UnisexDesert TanBaby Trend Trooper Slim 3-in-1 Convertible Car Seat - Desert TanDesert GreyBaby Trend Hybrid SI Desert Grey 3-in-1 Combination Booster Car SeatDallas BlueEvenflo NurtureMax Infant Car Seat (Dallas Blue)ProofGraco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, BlackWarrenGraco TrioGrow SnugLock 3-in-1 Car Seat, Warren, BlackKent(4 pack) Graco TurboBooster 2.0 Backless Booster Seat, Kent, Grey
Car Seat Facing DirectionConvertibleSafety 1ˢᵗ® TriFit All-in-One Convertible Car Seat , Borderline, Infant & Toddler, UnisexConvertibleSafety 1st Grow and Go Sprint All-in-One Convertible Car Seat, Black Beauty IIConvertibleCosco Kids Scenera Extend Infant & Toddler Convertible Car Seat, Moonlit Night, BlackConvertibleCosco Kids™ Easy Elite Slim All-in-One Convertible Car Seat, Grey Glyphs, Infant & Toddler, UnisexForward FacingBaby Trend Trooper Slim 3-in-1 Convertible Car Seat - Desert TanForward FacingBaby Trend Hybrid SI Desert Grey 3-in-1 Combination Booster Car SeatRear FacingEvenflo NurtureMax Infant Car Seat (Dallas Blue)Forward FacingGraco Tranzitions 3-in-1 Harness Booster Car Seat, Proof, BlackConvertibleGraco TrioGrow SnugLock 3-in-1 Car Seat, Warren, BlackForward Facing(4 pack) Graco TurboBooster 2.0 Backless Booster Seat, Kent, Grey
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Customer ratings & reviews

4.4 out of 5 stars
stars730 ratings340 reviews
How item rating is calculated

Reviews summary

Pros
  • : Features energy-absorbing foam for side impact protection.
  • : Features a slim design with ample padding.
  • : Simple adjustments for a proper fit.
  • : Accommodates various vehicle sizes and child ages.
  • : Features padding that is thick and soft around the headrest, straps, and buckle.
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Showing 1-3 of 340 reviews

Jun 24, 2025
Sydney
Top Reviewer
Walmart Associate
Item details
Color: Borderline
5 out of 5 stars review

Verified Purchase

got this for my son a few months ago. it is super easy to take in and out of the car, and super easy to clean too! my son falls asleep on it all the time, so it must be pretty comfortable!

Helpful?79588SNCA1UW9022163384
Jul 20, 2025
Ashley
Top Reviewer
Item details
Color: Borderline
5 out of 5 stars review

Verified Purchase

i have had these seats for about 6 months now and I have to say I absolutely love them. they’re easy to take apart to clean(cup holders included) easy to adjust the straps, easy to adjust the seat position, easy to install.. this seat was designed by geniuses i love y’all fr 🖤

Helpful?79588SNCA1UW9022163384
Jul 23, 2025
aimee
Item details
Color: Borderline
5 out of 5 stars review

Verified Purchase

this car seat was just what I was looking for for my toddlers. Easy to install, great safety features and very comfortable for them. Easy to go from rear facing to forward-facing. Great value for the money.

Helpful?79588SNCA1UW9022163384

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