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Loulou Lollipop muslin 0.5 TOG lightweight baby sleep bag in Sun Kissed Shoal — front view on white background

Baby Muslin Sleep Bag 0.5 TOG in Tanboocel® Viscose from Bamboo - Sun Kissed Shoal

0-6 M
$32.97
$32.97 $41.95 21% off
✓ Extra 10% off applied on checkout
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Loulou Lollipop muslin 0.5 TOG lightweight baby sleep bag in Sun Kissed Shoal — front view on white background
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  • Loulou Lollipop muslin 0.5 TOG lightweight baby sleep bag in Sun Kissed Shoal — front view on white background
  • Baby Muslin Sleep Bag 0.5 TOG in Tanboocel® Viscose from Bamboo - Sun Kissed Shoal
  • Baby Muslin Sleep Bag 0.5 TOG in Tanboocel® Viscose from Bamboo - Sun Kissed Shoal
Back
Baby Muslin Sleep Bag 0.5 TOG in Tanboocel® Viscose from Bamboo - Sun Kissed Shoal

Baby Muslin Sleep Bag 0.5 TOG in Tanboocel® Viscose from Bamboo - Sun Kissed Shoal

Loulou Lollipop

$32.97
$32.97 $41.95 21% off
✓ Extra 10% off applied on checkout
Size

Size Guide

Size Chart

SizeHeight (in)Weight (lb)
0-6 M23 - 26"10 - 16 lbs
6-18 M26 - 34"16 - 26 lbs
18-36 M34 - 40"26 - 40 lbs

How it should fit

These run true to size. A toddler at 24 months who's around the 50th percentile for height usually fits 2T comfortably.

Shipping

Free Delivery Nov 18 – 20

Read the full shipping policy

Returns

90-day returns
Return within 90 days of delivery.
Free return shipping
Start your return from your orders page and we'll send a prepaid label.
Condition
Items must be unopened, unused and in their original packaging.
Refunds
Refunded to your original payment method within 10 business days of approval. No restocking fee.
Cancellation
You can cancel any time before your order ships.
Damaged or wrong item?
Email support@birchstore.com within 7 days of delivery and we'll make it right.
Read the full returns policy

Key Features

Certifications

    • OEKO-TEX Certified

    Certified by OEKO-TEX (Standard 100)

    OEKO-TEX STANDARD 100 certifies that every component of a textile item has been lab-tested and found free of harmful substances above set limits.

    What it checks

    • Testing of yarn, fabric, buttons, and other accessories against a list of over 1,000 regulated substances
    • Stricter chemical limits for products with more intensive skin contact, including a dedicated infant/toddler product class
    • Compliance with chemical regulations such as REACH, CPSIA, and the ECHA-SVHC candidate list
    • Annual review of substance limit values and one-year validity per certificate

    What it does not cover It tests for chemical residues only and does not certify general product safety features like choking hazards, flammability, or mechanical construction.

    This certification is held by the brand or manufacturer, not by Birch. We show it because the brand states it for this product. Summarised from the certifying body's own page.

    Read the official standard

    • Certified B Corp

    Certified by B Lab

    Certified B Corp verifies that a company's overall social, environmental, and governance practices meet B Lab's standards, not that any individual product is safe or tested.

    What it checks

    • Assesses a company's impact across areas like climate action, human rights, and governance
    • Based on a self-assessment (B Impact tool) that is independently audited and verified by a third party
    • Follows a framework aligned with ISO 17021-1 requirements for certification bodies
    • Applies to the whole company, not to specific product lines or items

    What it does not cover This mark does not test or certify the safety, quality, or materials of any specific baby or kids product.

    This certification is held by the brand or manufacturer, not by Birch. We show it because the brand states it for this product. Summarised from the certifying body's own page.

    Read the official standard

Specifications

Materials & Care

CURATEIQ

Smarter decisions start here.

We analyze the details that matter to parents so you don't have to.

TrustScore
92 /100

Weighted across 10 criteria

CURATEIQ

TrustScore breakdown

92 /100

We take what's most important for a product to determine the TrustScore. Here's our research:

Safe-Sleep Design Compliance 91

The 0.5 TOG rating is matched to a stated room-temperature range of 75-81°F, the design is sleeveless with no hood, ties or cords, and the neck and arm openings are bound and cut snug specifically to prevent riding up over the face during sleep.

Fiber Content & Origin 91

The fabric is disclosed as 70% rayon from bamboo and 30% cotton, an open-weave muslin construction that is breathable for all-night wear, with exact percentages published.

Textile Certification 95

The sleep bag is covered, by the brand's account, by OEKO-TEX STANDARD 100 certificate SH025199672, which the OEKO-TEX Label Check shows as valid at product class I for baby articles and certifies the sleep bag's article type in its fabric, prints and trims. The certificate is held by the maker rather than naming Loulou Lollipop's products.

Recall History 92

We queried the CPSC recall registry directly and found one closed 2022 sleepwear recall for federal flammability-standard violation, covering a different product (one-piece long-sleeved pajamas), not this muslin sleep bag or its line. The record does not cover this product. The recall is CPSC #22-165, announced in June 2022.

Sleepwear Flammability Compliance 89

The sleep bag is meant to be worn over a short-sleeve bodysuit, which CPSC staff treat as general clothing rather than sleepwear, and it is tested to the general clothing flammability standard, 16 CFR Part 1610, with the brand stating that no flame-retardant finish is applied. That classification rests on the brand's dressing guidance.

Certification Credibility 95

The sleep bag is covered, by the brand's account, by OEKO-TEX STANDARD 100 certificate SH025199672, which the OEKO-TEX Label Check shows as valid at product class I for baby articles and lists the sleep bag's article type and fabric. The certificate is held by the maker rather than naming Loulou Lollipop's products.

Chemical Finish Avoidance 95

Loulou Lollipop states that no wrinkle-resistant, easy-care, water- or stain-repellent, antimicrobial or flame-retardant finish is applied to the sleep bag, and the OEKO-TEX STANDARD 100 class I certificate it names, SH025199672, is valid and screens for formaldehyde and PFAS.

Transparency & Support 84

The warranty covers only manufacturer's defects, excluding normal wear and tear or improper use, but no duration, claim process, or remedy method is specified, and the country of manufacture for this garment is not published.

Fastener & Neck-Opening Safety 87

The two-way zipper's bottom-opening function for diaper changes is described in detail, and the neck is noted as cut snug to prevent riding over the face, but this detail comes from a sibling 2.5 TOG product's review rather than evidence specific to this 0.5 TOG muslin bag.

Hardware & Print Safety 95

The sleep bag's printed fabric and trims fall under OEKO-TEX STANDARD 100 certificate SH025199672, valid at product class I and covering zippers and snaps among its accessories, and its two-way zipper is a YKK zipper that is nickel- and lead-free.

A closer look

FAQs

Is muslin better than fleece for baby sleep?

Muslin breathes. Fleece traps heat. For warm-weather sleep, muslin moves humidity off the baby's skin and keeps temperature stable. Fleece sleep sacks are designed for cold nurseries and shouldn't be the default in summer.

Are baby sleep sacks safe for newborns?

Yes — once the baby is out of the swaddle phase and can roll. Health Canada notes that many parents use a sleep sack instead of a blanket, and is explicit that getting the size right is what makes it safe. Choose the correct TOG for room temperature and a size that fits at the shoulders so the bag can't slip over the face.

Customer Stories

Sentiment Summary

Customers consistently describe the fabric as soft, lightweight, and well suited to warm-weather or overheated sleep.
Several reviewers like the two-way zipper for easy nighttime diaper changes.
A number of reviewers report the muslin fabric pilling, snagging, or developing loose threads after washing.
Multiple reviewers mention seams ripping or tearing, sometimes after only a few washes or weeks of use.
Some reviewers note the sizing runs small or the bag is outgrown faster than expected, while a few others find it generously sized with room to grow.
A few reviewers report zipper issues, including a zipper that popped open or broke after washing.
Many reviewers feel the quality justifies the price compared to cheaper sleep sacks, though a few feel it is not worth the cost given durability issues.

I'm in love with these sleep bags, or as my daughter calls it "seepy sac". We've been using them in the past 3 years. Super soft and light. Got this one for a friends newborn and hoping they'll fall in love with everything loulou lolipop like we did. :)
Ceci
Bought this for my granddaughter Great summer weight sleep sack
Cosmo2
Perfectly light and good quality. Fabric is great for baby’s sensitive skin.
Kari
We were super excited to order this sleep sack for our truck-loving little man, but have been a little disappointed. It’s super soft and the zippers are smooth, but unfortunately the fabric has started to pill and run already. He does walk around the house in it a bit after waking up, but I would hope it would stand up to that.
T1228
The muslin fabric is fragile & snags easily in the washing machine.
Kim15

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