New Parent Gear Guide: 3 in 1 Baby Stroller, Hip Seat Carrier and Diaper Bag Backpack

3 in 1 baby stroller with high landscape seat in a travel system setup

Quick answer: A 3 in 1 baby stroller converts between a lie-flat carrycot or seat for newborns, an upright seat for older babies, and a car seat on many travel system models. Pair it with a baby carrier for hands-free days (a hip seat baby carrier suits older babies) and a diaper bag backpack with insulated and wet-dry pockets.

Getting ready for a new baby means making a lot of decisions, and the big-ticket items are often the most confusing. Should you buy a 3 in 1 baby stroller or separate pieces? What is a hip seat carrier? Is a backpack diaper bag really better than a shoulder bag? This guide breaks down the three pieces of gear new parents use every single day: the stroller, the baby carrier and the diaper bag. It also gives you a simple checklist of baby registry essentials so nothing important gets missed.

In this guide:

What is a 3 in 1 baby stroller?

A 3 in 1 baby stroller is one frame that adapts as your baby grows. The "three" usually refers to three ways to use it:

  1. Newborn mode: a lie-flat carrycot or bassinet, or a seat that reclines fully, so a young baby can lie flat.
  2. Seat mode: an upright, often reversible seat for older babies and toddlers who want to look around.
  3. Car seat mode: on many models, an infant car seat clicks onto the frame so you can move a sleeping baby from car to stroller without unbuckling.

The big advantage is that you buy one frame instead of several. Many 3 in 1 strollers also have a "high landscape" design, which simply means the seat sits higher off the ground, keeping your baby further from pavement dust and closer to you.

When comparing strollers, check the fold (one-hand fold is handy), the weight of the frame, the size of the basket, the wheel type for your local streets, and the manufacturer's weight and age limits for each mode.

Travel system stroller vs standard stroller

A travel system stroller is a stroller sold with a matching infant car seat that clips straight onto the frame. Many 3 in 1 strollers are sold this way. A standard stroller has a seat only, and you buy a car seat separately.

Feature 3 in 1 travel system stroller Standard stroller
Newborn use Yes, carrycot or full recline Depends on recline; check age label
Car seat Often included and clicks onto frame Bought separately
Lasts From birth into the toddler years Varies by model
Weight and size Heavier, larger fold Often lighter and smaller
Best for Families who drive and want one system Travel, city living, second stroller

If you drive often, a travel system saves a lot of lifting and unbuckling. If you mostly walk or use public transport, a lighter stroller may suit you better. Always check that any car seat meets the safety standard required where you live and is fitted exactly as the manufacturer instructs.

Baby carrier types, including the hip seat baby carrier

A baby carrier keeps your baby close while leaving your hands free, which is invaluable around the house, in crowds and on stairs. There are four main types:

Carrier type How it works Typical use
Stretchy wrap A long, soft fabric tied around you Newborns and young babies, cosy close carrying
Ring sling Fabric through two rings, over one shoulder Quick ups and downs, short carries
Soft-structured carrier Buckles, padded straps and a waist belt Everyday carrying, front and often back positions
Hip seat carrier A firm seat on a waist belt, often with a detachable top Older babies and toddlers who go up and down often

A hip seat baby carrier has a small, firm shelf on a waist belt for your baby to sit on. Many models come with a removable shoulder section so you can use it as a full carrier or just as a seat on your hip. Parents of babies who constantly want to be picked up and put down often find a hip seat saves their back and arms.

Safety tip: Whatever carrier you use, keep your baby's face visible and uncovered, their chin off their chest so the airway stays clear, and their back well supported. Follow the manufacturer's age, weight and position instructions, and use inward-facing positions for young babies.

How to choose a diaper bag backpack

A diaper bag backpack (also called a nappy bag) keeps both hands free and spreads the weight across both shoulders, which is why many parents prefer it to a shoulder bag. Useful features include:

  • Wide opening so you can find things quickly with one hand.
  • Insulated pockets to keep bottles warm or cool.
  • Wet-dry compartment for spare clothes and used bibs.
  • Waterproof outer fabric that wipes clean.
  • Stroller straps or hooks so the bag can hang from the handlebar.
  • A USB port on some bags, which connects to your own power bank for charging a phone on the go.
  • A changing mat, either included or tucked in a pocket.

For more ideas, read our newborn diaper bag guide, or browse the full diaper bag collection.

Try it before the baby arrives

New gear is much easier to use when you have practised. In the weeks before your due date:

  • Fold and unfold the stroller a few times, and check it fits in your car boot or hallway.
  • Click the car seat on and off the frame until it feels automatic.
  • Try the carrier on with a soft toy or rolled towel and adjust the straps to fit you.
  • Pack the diaper bag once, so you know where everything lives.
  • Read each manual for weight limits, recline positions and cleaning instructions.

A little practice now means fewer fiddly moments later, when you are juggling a crying baby in a car park.

Baby registry essentials checklist

Use this checklist as a starting point for your baby registry or shopping list. Every family is different, so adapt it to your home, climate and lifestyle.

Out and about

  • Stroller or 3 in 1 travel system
  • Infant car seat (if you drive)
  • Baby carrier or wrap
  • Diaper bag backpack with changing mat
  • Stroller accessories: rain cover, sunshade or insect net, footmuff for cold weather, cup holder

At home

  • Safe sleep space and fitted sheets
  • Changing mat and diapers (disposable or cloth)
  • Baby grooming kit: nail trimmer, soft brush, thermometer
  • Bottles and feeding essentials
  • A few first toys: rattles, a play gym and high-contrast cards

Find stroller extras in our baby walker and stroller collection, carriers in our carrier and stroller collection, and everyday helpers in our baby accessories collection. For first toys, see our guide to the best baby toys from 0 to 12 months.

Our gear picks

3-in-1 Baby Stroller with High Landscape Seat: a newborn-friendly 3 in 1 stroller with a raised seat.

High Landscape 3-in-1 Baby Stroller with Car Seat: a travel system with a matching car seat.

3-in-1 Baby Stroller with Aluminium Frame: a portable 3 in 1 option with an aluminium frame.

Ergonomic Hip Seat Baby Carrier, 3 in 1: a hip seat carrier that can be used with or without the top section.

Stretchy Baby Carrier Sling: a soft wrap for close carrying in the early months.

Portable Ergonomic Baby Carrier: a soft-structured carrier for front and back carrying.

USB Large-Capacity Nappy Bag Backpack: a waterproof diaper bag backpack with a USB port.

Waterproof Multifunctional Diaper Bag: a large-capacity bag with plenty of pockets.

Winter Stroller Footmuff: a waterproof, windproof footmuff for cold-weather walks.

Frequently asked questions

What does 3 in 1 baby stroller mean?

A 3 in 1 baby stroller is one frame used three ways: a lie-flat carrycot or reclined seat for newborns, an upright seat for older babies, and, on many models, a car seat that clicks onto the frame. It lets one stroller last from birth into the toddler years.

Is a travel system stroller worth it?

A travel system stroller is worth it for families who drive often, because the car seat clips onto the frame and a sleeping baby can move from car to stroller without being unbuckled. If you mostly walk or use public transport, a lighter stroller may be more practical.

When can I use a hip seat baby carrier?

Many hip seat baby carriers are designed for babies with good head and neck control, often from around 4 to 6 months, though some include a newborn insert or top section. Always follow the manufacturer's age, weight and position guidance.

Is a diaper bag backpack better than a shoulder bag?

Many parents prefer a diaper bag backpack because it keeps both hands free and spreads the weight across both shoulders. Look for a wide opening, insulated bottle pockets, a wet-dry section and stroller straps.

Which baby carrier is best for a newborn?

Stretchy wraps and soft-structured carriers with a newborn setting are popular for young babies because they hold the baby snugly in an upright, inward-facing position. Keep your baby's face visible and chin off their chest at all times.

What are the most important baby registry essentials?

The essentials are a safe sleep space, a stroller or travel system, an infant car seat if you drive, a baby carrier, a diaper bag, diapering supplies, feeding basics and a grooming kit. Add a few first toys like rattles and a play gym.

Ready to build your baby gear list? Explore our strollers and stroller accessories, baby carriers and diaper bags. Orders are processed in 1–2 business days and usually arrive in 4–7 business days.

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