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How to Choose the Right Size Baby Blanket for Your Little One

May 23, 2025 By SwaddleAn

Because the right blanket depends on more than just softness—it’s about safety, stage, and purpose.

Between sleepless nights, feeding schedules, and mountains of baby gear, even something as simple as choosing a blanket can feel like a big decision. And honestly? It kind of is.

Not all baby blankets are created equal—and they shouldn’t be. A swaddle for a newborn has a very different job than a wearable sleep sack for a crawling baby. That’s why at SwaddleAn, we help you choose the right blanket by asking two simple questions:

  • How old is your baby?
  • What is the blanket for? (Swaddling? Sleep? Travel? Cuddles?)

Let’s break it down.

Ruffled Baby Knitwear Blanket, Baby Blanket SwaddleAn
SwaddleAn Baby Knitting Blanket

Baby Blanket Safety

As parents, it’s only natural to want your little one cozy and covered while they sleep. But when it comes to baby blankets, timing matters—especially for crib use.

According to the American Academy of Pediatrics, it’s best to wait until your baby is at least 12 months old before placing any loose items—blankets, pillows, or stuffed animals—in the crib. This simple precaution helps reduce the risk of SIDS and keeps your baby’s sleep environment as safe as possible.

🔗 Official AAP Safe Sleep Guidelines

Once your baby turns one, the risk of SIDS decreases significantly. That’s when you can begin to observe their sleep style to decide if adding a blanket makes sense. Do they stay still through the night? Or do they toss, turn, and kick everything off?

And here’s the thing — if your little one sleeps well without a blanket, there’s no rush. Many toddlers prefer to sleep free and uncovered, and that’s totally okay. As always, trust your instincts — you know your baby best.


Blanket by Purpose & Age: What to Choose and When

Which type of blanket matches those needs?

Purpose Best Blanket Type Recommended Age
Swaddling Swaddle Blanket (46x46") 0–3 months
On-the-go Bamboo Blanket (33x33") 0–6 months
Cuddles/Gift Knitwear Blanket (30x40") 3–12 months+
Sleep Wearable Blanket (Sleep Sack) 3–24 months (or more)

Common baby blanket types and sizes

There are more baby blanket styles and sizes on the market today than ever before. From classic swaddle blankets to cozy knitwear throws and safe sleep bags, it’s easy to feel overwhelmed by all the options.

But here’s the good news: you don’t have to figure it all out alone. At SwaddleAn, we’re here to help you understand the purpose behind each type of blanket—so you can confidently choose what’s best for your baby’s age, stage, and comfort.

1. Newborn (0–3 Months): Safe Swaddling & Gentle Layers

🟩 Swaddle / Receiving Blanket

  • Size: 46 x 46 in
  • Best for: Swaddling, hospital use, burping, on-the-go layering
  • Material: Bamboo rayon (soft, stretchy, breathable)

Ideal for wrapping your newborn securely to mimic the womb and promote sleep. Breathable and stretchy fabric helps prevent overheating and fussiness.


2. Infant (3–6 Months): Light Cover for Stroller & Cuddles

🟨 Bamboo Baby Blanket

  • Size: 33 x 33 in
  • Best for: Car seat, stroller naps, tummy time
  • Material: 95% bamboo, 1.0 TOG warmth

Small, portable, and cozy—perfect for cooler weather without the bulk. Not for crib sleep, but great for out-and-about comfort.


3. Baby (6–12 Months+): Decorative, Cozy, & Photo-Ready

🟧 Knitwear Blanket (100% Cotton)

  • Size: 30 x 40 in
  • Best for: Lounging, nursery use, gift-giving
  • Styles: Classic / Heirloom Lacing / Ruffled

Made at our SwaddleAn factory using Japanese Shima Seiki knitting tech. Breathable yet warm enough for stroller rides, nap time, and those picture-perfect snuggles.


4. Older Baby / Toddler (6M–2Y): Sleep Safety Comes First

🟦 Wearable Blanket (Sleep Sack)

  • Size: Based on age group
  • Best for: Overnight sleep, rolling babies, safe crib use
  • Material: Bamboo, with personalization options

No loose fabric. Just cozy, zip-up security for safe, uninterrupted sleep.


🎯 Final Thought: One Blanket Can’t Do It All

And that’s okay. Your baby’s needs will change quickly—from swaddles in the newborn days to wearable sleep sacks when they start to roll. Whether you’re heading out for a stroller walk, layering in the car, or tucking them in for the night, there’s a right blanket for that.

At SwaddleAn, we design each type of blanket with your baby’s safety, stage, and snuggles in mind.

💛 Wrap them in calm, comfort, and love—with the blanket that fits just right.

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